Chore: Move conversationStats to a seperate module (#962)

* Chore: Move conversationStats to a seperate module

* Move toggleTyping to conversationTypingStatus

* Remove unused agentTyping flag

* Fix review comments

app/javascript/dashboard/store/modules/specs/conversationStats/getters.spec.js

@@ -0,0 +1,16 @@
+import { getters } from '../../conversationStats';
+
+describe('#getters', () => {
+  it('getCurrentPage', () => {
+    const state = {
+      mineCount: 1,
+      unAssignedCount: 1,
+      allCount: 2,
+    };
+    expect(getters.getStats(state)).toEqual({
+      mineCount: 1,
+      unAssignedCount: 1,
+      allCount: 2,
+    });
+  });
+});