Tabs and Spaces got deleted

### Preliminary Checks - [x] I have read and understood the important section above. - [x] I have searched existing issues and avoided creating duplicates. - [x] I am not filing an enhancement request. - [x] I have checked that this issue cannot be reproduced on Mozilla Firefox. - [x] I have checked that this issue can be reproduced once I removed all my Mods and Custom CSS. ### What happened? After I restarted my computer, my Tabs and Spaces got deleted. I tried updating Zen but it didn't work. Then I went on about:profiles and saw that I had 3 profiles. 2 are completely empty, 1 has data from when this happened before, where it fixed itself after I updated it. ### Expected behavior Zen starts normaly ### Actual behavior Zen started but my Tabs are gone ### Steps to reproduce 1. Shutdown the Pc 2. sleep 3. Start the Pc ### Screenshots and videos _No response_ ### Version 1.21.8b (Firefox 152.0.6) (64-bit) ### What platform are you seeing the problem on? Linux (Tarball) ### What component is this issue related to? Sync ### Relevant log output if applicable ```shell ```