Convert Calendar to TypeScript

frontend/src/App/State/AppState.ts

@@ -54,10 +54,12 @@ export interface CustomFilter {
 export interface AppSectionState {
   isConnected: boolean;
   isReconnecting: boolean;
+  isSidebarVisible: boolean;
   version: string;
   prevVersion?: string;
   dimensions: {
     isSmallScreen: boolean;
+    isLargeScreen: boolean;
     width: number;
     height: number;
   };