feat: refactor deeplnik handler

src/preload/index.ts

@@ -104,7 +104,6 @@ contextBridge.exposeInMainWorld("electron", {
   /* Misc */
   ping: () => ipcRenderer.invoke("ping"),
   getVersion: () => ipcRenderer.invoke("getVersion"),
-  isUserLoggedIn: () => ipcRenderer.invoke("isUserLoggedIn"),
   getDefaultDownloadsPath: () => ipcRenderer.invoke("getDefaultDownloadsPath"),
   openExternal: (src: string) => ipcRenderer.invoke("openExternal", src),
   showOpenDialog: (options: Electron.OpenDialogOptions) =>