Show user and project ID in admin panel, fix page headers and other small fixes

[tomasMizera]

Admin panel updates:

1. updated account detail - now matches how project and workspace detail looks like
2. added copyable ID element to user, project and workspace detail
3. fixed page titles
4. highlighted workspace name in the project detail to indicate one can click on it to see workspace details

Account detail

Workspace detail

Project detail

Claude helped here 🤖

[coveralls]

Coverage Report for CI Build 32887428553

Coverage decreased (-0.2%) to 92.138%

Details

• Coverage decreased (-0.2%) from the base build.
• Patch coverage: 1 of 1 lines across 1 file are fully covered (100%).
• 53 coverage regressions across 5 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

53 previously-covered lines in 5 files lost coverage.

File	Lines Losing Coverage	Coverage
server/mergin/app.py	20	80.0%
server/mergin/auth/controller.py	20	92.2%
server/mergin/sync/utils.py	8	85.17%
server/mergin/auth/models.py	3	98.13%
server/mergin/auth/app.py	2	97.33%

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Coverage Stats

Relevant Lines:	10036
Covered Lines:	9247
Line Coverage:	92.14%
Coverage Strength:	0.92 hits per line

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💛 - Coveralls