feat: Voice channel creation Flow (#11775)

This PR introduces a new channel type for voice conversations.

ref: #11481 

## Changes

- Add database migration for channel_voice table with phone_number and
provider_config
- Create Channel::Voice model with E.164 phone number validation and
Twilio config validation
- Add voice channel association to Account model
- Extend inbox helpers and types to support voice channels
- Add voice channel setup UI with Twilio configuration form
- Include voice channel in channel factory and list components
- Add API routes and store actions for voice channel creation
- Add comprehensive translations for voice channel management

---------

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>

app/javascript/dashboard/components/ChannelSelector.vue

@@ -17,7 +17,7 @@ export default {
   <button
     class="bg-white dark:bg-slate-900 cursor-pointer flex flex-col justify-end transition-all duration-200 ease-in -m-px py-4 px-0 items-center border border-solid border-slate-25 dark:border-slate-800 hover:border-woot-500 dark:hover:border-woot-500 hover:shadow-md hover:z-50 disabled:opacity-60"
   >
-    <img :src="src" :alt="title" class="w-1/2 my-4 mx-auto" />
+    <img :src="src" :alt="title" draggable="false" class="w-1/2 my-4 mx-auto" />
     <h3
       class="text-slate-800 dark:text-slate-100 text-base text-center capitalize"
     >