feat: Eslint rules (#9839)

# Pull Request Template

## Description

This PR adds new eslint rules to the code base.

**Error rules**

|    Rule name     | Type | Files updated |
| ----------------- | --- | - |
| `vue/block-order`  | error  |  ✅  |
| `vue/component-name-in-template-casing`  | error  |  ✅  |
| `vue/component-options-name-casing`  | error  |  ✅  |
| `vue/custom-event-name-casing`  | error  |  ✅  |
| `vue/define-emits-declaration`  | error  |  ✅  |
| `vue/no-unused-properties`  | error  |  ✅  |
| `vue/define-macros-order`  | error  |  ✅  |
| `vue/define-props-declaration`  | error  |  ✅  |
| `vue/match-component-import-name`  | error  |  ✅  |
| `vue/next-tick-style`  | error  |  ✅  |
| `vue/no-bare-strings-in-template`  | error  |  ✅  |
| `vue/no-empty-component-block`  | error  |  ✅  |
| `vue/no-multiple-objects-in-class`  | error  |  ✅  |
| `vue/no-required-prop-with-default`  | error  |  ✅  |
| `vue/no-static-inline-styles`  | error  |  ✅  |
| `vue/no-template-target-blank`  | error  |  ✅  |
| `vue/no-this-in-before-route-enter`  | error  |  ✅  |
| `vue/no-undef-components`  | error  |  ✅  |
| `vue/no-unused-emit-declarations`  | error  |  ✅  |
| `vue/no-unused-refs`  | error  |  ✅  |
| `vue/no-use-v-else-with-v-for`  | error  |  ✅  |
| `vue/no-useless-v-bind`  | error  |  ✅  |
| `vue/no-v-text`  | error  |  ✅  |
| `vue/padding-line-between-blocks`  | error  |  ✅  |
| ~`vue/prefer-prop-type-boolean-first`~ | ~error~ | ❌ (removed this
rule, cause a bug in displaying custom attributes) |
| `vue/prefer-separate-static-class`  | error  |  ✅  |
| `vue/prefer-true-attribute-shorthand`  | error  |  ✅  |
| `vue/require-explicit-slots`  | error  |  ✅  |
| `vue/require-macro-variable-name`  | error  |  ✅  |


**Warn rules**

|    Rule name     | Type | Files updated |
| ---- | ------------- | ------------- |
| `vue/no-root-v-if`  | warn  |  ❎  |


Fixes https://linear.app/chatwoot/issue/CW-3492/vue-eslint-rules

## Type of change

- [x] New feature (non-breaking change which adds functionality)


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Fayaz Ahmed <fayazara@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/widget/components/UnreadMessageList.vue

@@ -1,49 +1,3 @@
-<template>
-  <div class="unread-wrap">
-    <div class="close-unread-wrap">
-      <button class="button small close-unread-button" @click="closeFullView">
-        <span class="flex items-center">
-          <fluent-icon class="mr-1" icon="dismiss" size="12" />
-          {{ $t('UNREAD_VIEW.CLOSE_MESSAGES_BUTTON') }}
-        </span>
-      </button>
-    </div>
-    <div class="unread-messages">
-      <unread-message
-        v-for="(message, index) in messages"
-        :key="message.id"
-        :message-type="message.messageType"
-        :message-id="message.id"
-        :show-sender="!index"
-        :sender="message.sender"
-        :message="getMessageContent(message)"
-        :campaign-id="message.campaignId"
-      />
-    </div>
-
-    <div class="open-read-view-wrap">
-      <button
-        v-if="unreadMessageCount"
-        class="button clear-button"
-        @click="openConversationView"
-      >
-        <span
-          class="flex items-center"
-          :class="{
-            'is-background-light': isBackgroundLighter,
-          }"
-          :style="{
-            color: widgetColor,
-          }"
-        >
-          <fluent-icon class="mr-2" size="16" icon="arrow-right" />
-          {{ $t('UNREAD_VIEW.VIEW_MESSAGES_BUTTON') }}
-        </span>
-      </button>
-    </div>
-  </div>
-</template>
-
 <script>
 import { mapGetters } from 'vuex';
 import configMixin from '../mixins/configMixin';
@@ -98,6 +52,53 @@ export default {
   },
 };
 </script>
+
+<template>
+  <div class="unread-wrap">
+    <div class="close-unread-wrap">
+      <button class="button small close-unread-button" @click="closeFullView">
+        <span class="flex items-center">
+          <FluentIcon class="mr-1" icon="dismiss" size="12" />
+          {{ $t('UNREAD_VIEW.CLOSE_MESSAGES_BUTTON') }}
+        </span>
+      </button>
+    </div>
+    <div class="unread-messages">
+      <UnreadMessage
+        v-for="(message, index) in messages"
+        :key="message.id"
+        :message-type="message.messageType"
+        :message-id="message.id"
+        :show-sender="!index"
+        :sender="message.sender"
+        :message="getMessageContent(message)"
+        :campaign-id="message.campaignId"
+      />
+    </div>
+
+    <div class="open-read-view-wrap">
+      <button
+        v-if="unreadMessageCount"
+        class="button clear-button"
+        @click="openConversationView"
+      >
+        <span
+          class="flex items-center"
+          :class="{
+            'is-background-light': isBackgroundLighter,
+          }"
+          :style="{
+            color: widgetColor,
+          }"
+        >
+          <FluentIcon class="mr-2" size="16" icon="arrow-right" />
+          {{ $t('UNREAD_VIEW.VIEW_MESSAGES_BUTTON') }}
+        </span>
+      </button>
+    </div>
+  </div>
+</template>
+
 <style lang="scss" scoped>
 @import '~widget/assets/scss/variables';