R1:f3d9a0b93000

Fix two cache issues (global settings; initial setup)

Summary:
- Fixes T11995. This got moved but I missed renaming this callsite.
- Fixes T11993. If you have valid credentials, but haven't run `storage upgrade` yet, we can hit this exception during setup. Just ignore it instead.

Test Plan:
- Saved global settings, no more fatal.
- Changed `storage-namespace` to junk, loaded web UI with valid database credentials.

{F2106358}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11993, T11995…