Reload single plugin on auto-update

Summary: Implemented a way for re-loading single plugin on auto-update. This make it possible to apply update without full Flipper restart.

Reviewed By: mweststrate

Differential Revision: D23729972

fbshipit-source-id: ed30f7cde5a0537945db0b5bb6969ae8fde42cb6

desktop/app/src/reducers/notifications.tsx

@@ -16,6 +16,12 @@ export type PluginNotification = {
   client: null | string;
 };
 
+export type PluginNotificationReference = {
+  notificationId: string;
+  pluginId: string;
+  client: null | string;
+};
+
 export type State = {
   activeNotifications: Array<PluginNotification>;
   invalidatedNotifications: Array<PluginNotification>;
@@ -56,6 +62,10 @@ export type Action =
   | {
       type: 'ADD_NOTIFICATION';
       payload: PluginNotification;
+    }
+  | {
+      type: 'REMOVE_NOTIFICATION';
+      payload: PluginNotificationReference;
     };
 
 const INITIAL_STATE: State = {
@@ -113,6 +123,18 @@ export default function reducer(
           action.payload,
         ],
       };
+    case 'REMOVE_NOTIFICATION':
+      return {
+        ...state,
+        activeNotifications: [
+          ...state.activeNotifications.filter(
+            (notif) =>
+              notif.client !== action.payload.client ||
+              notif.pluginId !== action.payload.pluginId ||
+              notif.notification.id !== action.payload.notificationId,
+          ),
+        ],
+      };
     default:
       return state;
   }
@@ -166,6 +188,15 @@ export function addNotification(payload: PluginNotification): Action {
   };
 }
 
+export function removeNotification(
+  payload: PluginNotificationReference,
+): Action {
+  return {
+    type: 'REMOVE_NOTIFICATION',
+    payload,
+  };
+}
+
 export function addErrorNotification(
   title: string,
   message: string,