feat: Adds the ability to have custom view for conversations (#3666)

* feat: Adds the ability to save custom filters and display folders on the sidebar

* Minor fixes

* Review fixes

* Review fixes

* i18n fixes

* Shows conversations when the user click on the folder sidebar item

* Spacing fixes

* Review fixes

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/store/modules/specs/customViews/mutations.spec.js

@@ -0,0 +1,29 @@
+import types from '../../../mutation-types';
+import { mutations } from '../../customViews';
+import customViewList from './fixtures';
+
+describe('#mutations', () => {
+  describe('#SET_CUSTOM_VIEW', () => {
+    it('set custom view records', () => {
+      const state = { records: [] };
+      mutations[types.SET_CUSTOM_VIEW](state, customViewList);
+      expect(state.records).toEqual(customViewList);
+    });
+  });
+
+  describe('#ADD_CUSTOM_VIEW', () => {
+    it('push newly created custom views to the store', () => {
+      const state = { records: [customViewList] };
+      mutations[types.ADD_CUSTOM_VIEW](state, customViewList[0]);
+      expect(state.records).toEqual([customViewList, customViewList[0]]);
+    });
+  });
+
+  describe('#DELETE_CUSTOM_VIEW', () => {
+    it('delete custom view record', () => {
+      const state = { records: [customViewList[0]] };
+      mutations[types.DELETE_CUSTOM_VIEW](state, customViewList[0]);
+      expect(state.records).toEqual([customViewList[0]]);
+    });
+  });
+});