Comply with new member-delimiter-style rule

Just `eslint --fix` with rule from
https://github.com/matrix-org/eslint-plugin-matrix-org/pull/9 in place

src/stores/TypingStore.ts

@@ -27,10 +27,10 @@ const TYPING_SERVER_TIMEOUT = 30000;
 export default class TypingStore {
     private typingStates: {
         [roomId: string]: {
-            isTyping: boolean,
-            userTimer: Timer,
-            serverTimer: Timer,
-        },
+            isTyping: boolean;
+            userTimer: Timer;
+            serverTimer: Timer;
+        };
     };
 
     constructor() {

src/stores/WidgetEchoStore.ts

@@ -26,8 +26,8 @@ import { WidgetType } from "../widgets/WidgetType";
 class WidgetEchoStore extends EventEmitter {
     private roomWidgetEcho: {
         [roomId: string]: {
-            [widgetId: string]: IWidget,
-        },
+            [widgetId: string]: IWidget;
+        };
     };
 
     constructor() {