Show generated token inline in sources table

[Simrayz]

Scope and purpose

Fixes #1911.

After generating a token, show it inline in the sources table with a copyable text field instead of only in a transient toast notification.

Demo

sources-token-message-compressed.mp4

Contributor Checklist

Every pull request should have this checklist filled out, no matter how small it is.
More information about contributing to Argus can be found in the
Development docs.

• Added a changelog fragment for towncrier — covered by Add Sources management to HTMX interface #1901's changelog entry
• Added/amended tests for new/changed code
• Added/changed documentation, including updates to the user manual if feature flow or UI is considerably changed
• Linted/formatted the code with ruff and djLint, easiest by using pre-commit
• The first line of the commit message continues the sentence "If applied, this commit will ...", starts with a capital letter, does not end with punctuation and is 50 characters or less long. See our how-to
• If applicable: Created new issues if this PR does not fix the issue completely/there is further work to be done
• If this results in changes in the UI: Added screenshots of the before and after — see demo above

[github-actions]

Test results

    6 files  1 248 suites   2m 32s ⏱️
  911 tests   910 ✅ 1 💤 0 ❌
5 466 runs  5 460 ✅ 6 💤 0 ❌

Results for commit e12bdce.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.48%. Comparing base (1bfd2c9) to head (e12bdce).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1914   +/-   ##
=======================================
  Coverage   88.47%   88.48%           
=======================================
  Files         144      144           
  Lines        6975     6980    +5     
=======================================
+ Hits         6171     6176    +5     
  Misses        804      804           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[johannaengland]

Beautiful!