feat: Create store to manage Portals (#5020)

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

app/javascript/dashboard/store/modules/helpCenterPortals/getters.js

@@ -0,0 +1,26 @@
+export const getters = {
+  uiFlagsIn: state => portalId => {
+    const uiFlags = state.portals.uiFlags.byId[portalId];
+    if (uiFlags) return uiFlags;
+    return { isFetching: false, isUpdating: false, isDeleting: false };
+  },
+
+  isFetchingPortals: state => state.uiFlags.isFetching,
+  portalById: (...getterArguments) => portalId => {
+    const [state] = getterArguments;
+    const portal = state.portals.byId[portalId];
+
+    return {
+      ...portal,
+    };
+  },
+  allPortals: (...getterArguments) => {
+    const [state, _getters] = getterArguments;
+
+    const portals = state.portals.allIds.map(id => {
+      return _getters.portalById(id);
+    });
+    return portals;
+  },
+  count: state => state.portals.allIds.length || 0,
+};