This sounds really strange. Indeed in your diagnostic file I can see two users logged in. Can you record a video of this whole process, starting with you switching on the computer, logging into one of your users, and then reproducing this problem?
32 GB is honestly a bit on the small side.
Looking at your diagnostic file, you have a number of additional Flatpak runtimes installed, including two SDKs that I doubt any of the apps you have installed are using. You could try:
You also have both Chromium & Chrome installed; why not uninstall the one you don’t use?
I see from this that you are using nightly development builds of the OS:
=================
= OSTree status =
=================
eos b1e2d6df161cc0ce5ff33fdbfd567869b5b9749033a783651ac5d75ae186aa40.0 (staged)
Version: 4.0.3~220214-230013
origin refspec: eos:os/eos/amd64/latest1
GPG: Signature made Tue 15 Feb 2022 05:04:13 AM IST using RSA key ID 9E08D8DABA02FC46
GPG: Good signature from "EOS OSTree Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Sat 30 Jun 2029 09:48:11 PM IST
GPG: Signature made Tue 15 Feb 2022 05:04:13 AM IST using RSA key ID FCF17B17F1F8E157
GPG: Good signature from "EOS Flatpak Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Tue 27 May 2031 04:20:32 AM IST
* eos 97e8050cbf9575bd0e0d1c02e966b115b7ce8626ba08564a4210d05c423f64e5.0
Version: 4.0.3~220213-230042
origin refspec: eos:os/eos/amd64/latest1
GPG: Signature made Mon 14 Feb 2022 05:06:35 AM IST using RSA key ID 9E08D8DABA02FC46
GPG: Good signature from "EOS OSTree Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Sat 30 Jun 2029 09:48:11 PM IST
GPG: Signature made Mon 14 Feb 2022 05:06:35 AM IST using RSA key ID FCF17B17F1F8E157
GPG: Good signature from "EOS Flatpak Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Tue 27 May 2031 04:20:32 AM IST
eos 556cf33c31155376f8eaca4d47b658ee334ca2f4c5d7b9b71113181e15282c94.1 (rollback)
Version: 4.0.3~220211-230008
origin refspec: eos:os/eos/amd64/latest1
GPG: Signature made Sat 12 Feb 2022 05:00:10 AM IST using RSA key ID 9E08D8DABA02FC46
GPG: Good signature from "EOS OSTree Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Sat 30 Jun 2029 09:48:11 PM IST
GPG: Signature made Sat 12 Feb 2022 05:00:10 AM IST using RSA key ID FCF17B17F1F8E157
GPG: Good signature from "EOS Flatpak Signing Key 1 <maintainers@endlessm.com>"
GPG: Key expires Tue 27 May 2031 04:20:32 AM IST