store upload timestamp directly after upload

[tobiasKaminsky]

• [ ] Tests written, or not not needed

[tobiasKaminsky]

/backport to stable-3.32

[github-actions[bot]]

Codacy

Lint

Type	master	PR
Warnings	51	51
Errors	11	11

SpotBugs

Category	Base	New
Bad practice	65	65
Correctness	58	62
Dodgy code	292	271
Experimental	1	1
Internationalization	7	7
Malicious code vulnerability	1	2
Multithreaded correctness	7	7
Performance	51	49
Security	18	18
Total	500	482

[github-actions[bot]]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/14997.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud app.