add 'dev' label to application. also add 'un-magnify' icon when magnified

emain/emain.ts

@@ -525,6 +525,9 @@ function ensureBoundsAreVisible(bounds: electron.Rectangle): electron.Rectangle
     return bounds;
 }
 
+electron.ipcMain.on("getIsDev", (event) => {
+    event.returnValue = isDev;
+});
 electron.ipcMain.on("getPlatform", (event, url) => {
     event.returnValue = unamePlatform;
 });

emain/preload.ts

@@ -4,6 +4,7 @@
 const { contextBridge, ipcRenderer } = require("electron");
 
 contextBridge.exposeInMainWorld("api", {
+    getIsDev: () => ipcRenderer.sendSync("getIsDev"),
     getPlatform: () => ipcRenderer.sendSync("getPlatform"),
     getCursorPoint: () => ipcRenderer.sendSync("getCursorPoint"),
     openNewWindow: () => ipcRenderer.send("openNewWindow"),