I managed to do it successfully
Manual:
Preconditions:
1. You have root on your phone (Magisk)
Steps:
1. Install Lawnchair
2. Install https://github.com/j7b3y/QuickSwitch as Magisk module
3. Reboot phone
4. Connect phone to PC via adb and do this:
โ> adb shell
fogos:/ $ su -c /data/adb/modules/quickswitch/quickswitch --ch=app.lawnchair
_____
__ | | __
| || || |
| || || |
|__|| ||__|
|_____|
QuickSwitch
The Lawnchair Team
The overlay will be copied to /data/adb/modules/quickswitch/system/product/overlay/QuickSwitchOverlay...
Overlay successfully copied...
Setting permissions...
Logs copied to /sdcard/Documents/quickswitch...
Please reboot for changes to take effect.
fogos:/ $ %
5. Reboot phone and delete Bliss launcher
p.s. There will be small inconvenient thing - when you reboot phone, Lawnchair crashes for the 1st time, you just click close and use it. Lawnchair doesn't fall anymore after 1st crash after reboot.
upd. I installed nightly build from github and I donโt have โp.s. issueโ anymore)