feat: Add a view for mentions (#3505)

- Added a new table mentions for saving user mentions
- Added a filter conversation_type in the API
- Added a view to see the mentions

app/javascript/dashboard/api/inbox/conversation.js

@@ -6,7 +6,15 @@ class ConversationApi extends ApiClient {
     super('conversations', { accountScoped: true });
   }
 
-  get({ inboxId, status, assigneeType, page, labels, teamId }) {
+  get({
+    inboxId,
+    status,
+    assigneeType,
+    page,
+    labels,
+    teamId,
+    conversationType,
+  }) {
     return axios.get(this.url, {
       params: {
         inbox_id: inboxId,
@@ -15,6 +23,7 @@ class ConversationApi extends ApiClient {
         assignee_type: assigneeType,
         page,
         labels,
+        conversation_type: conversationType,
       },
     });
   }
@@ -74,7 +83,7 @@ class ConversationApi extends ApiClient {
     return axios.post(`${this.url}/${conversationId}/unmute`);
   }
 
-  meta({ inboxId, status, assigneeType, labels, teamId }) {
+  meta({ inboxId, status, assigneeType, labels, teamId, conversationType }) {
     return axios.get(`${this.url}/meta`, {
       params: {
         inbox_id: inboxId,
@@ -82,6 +91,7 @@ class ConversationApi extends ApiClient {
         assignee_type: assigneeType,
         labels,
         team_id: teamId,
+        conversation_type: conversationType,
       },
     });
   }