Launcher crashes in second run with only one app installed

[guillemcordoba]

Describe the bug
After installing the launcher and launching it for the first time, and installing GameZ in it and trying reboot the launcher, it crashes with this error:

guillem@guillems-thinkpad:~$ cd Baixades/
guillem@guillems-thinkpad:~/Baixades$ holochain-v0.2.3-beta-rc.1 ^C
guillem@guillems-thinkpad:~/Baixades$ ./holochain-launcher-electron-0.0.13.AppImage

(process:196177): GLib-CRITICAL **: 18:54:28.644: g_file_test: assertion 'filename != NULL' failed
GOT CLI ARGS:  {}
VALIDATED CLI ARGS:  {
  profile: undefined,
  holochainVersion: { type: 'built-in', version: '0.2.6-rc.0' },
  lairBinaryPath: '/tmp/.mount_holochfqWP0p/resources/app.asar.unpacked/resources/bins/lair-keystore-v0.4.2',
  useDefaultPartition: false,
  bootstrapUrl: undefined,
  signalingUrl: undefined,
  rustLog: undefined,
  wasmLog: undefined
}
APP PATH:  /tmp/.mount_holochfqWP0p/resources/app.asar
RUNNING ON PLATFORM:  linux
defaultLogsPath:  /home/guillem/.config/holochain-launcher-electron/logs
defaultUserDataPath:  /home/guillem/.config/holochain-launcher-electron
BEING RUN IN __dirnmane:  /tmp/.mount_holochfqWP0p/resources/app.asar/out/main
(node:196201) UnhandledPromiseRejectionWarning: Error: ERR_FAILED (-2) loading 'app://-'
    at rejectAndCleanup (node:electron/js2c/browser_init:2:82635)
    at WebContents.stopLoadingListener (node:electron/js2c/browser_init:2:83022)
    at WebContents.emit (node:events:529:35)
(Use `holochain-launcher-electron --trace-warnings ...` to show where the warning was created)
(node:196201) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:196201) UnhandledPromiseRejectionWarning: Error: ERR_FAILED (-2) loading 'app://-'
    at rejectAndCleanup (node:electron/js2c/browser_init:2:82635)
    at WebContents.stopLoadingListener (node:electron/js2c/browser_init:2:83022)
    at WebContents.emit (node:events:529:35)
(node:196201) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)

Nothing else shows up and the process just terminates without showing any windows.

To Reproduce
Steps to reproduce the behavior:

1. Download https://github.com/holochain/launcher-electron/releases/tag/v0.0.13
2. Install happ https://github.com/holochain-apps/gamez/releases/download/v0.3.12/gamez.webhapp
3. Try to reboot the launcher

Desktop (please complete the following information):

• OS: Ubuntu 22.04
• Holochain Launcher Version [e.g. 0.], you can find out in Help > 'About': v0.0.13