fix: set user unready when no default ns

[mfrancisc]

Fix the GET /signup api so that it returns signup.status.ready=false when defaultNamespace for the user is unset.

see: https://redhat-internal.slack.com/archives/CHK0J6HT6/p1749804989753299

related PR's:

• add new reason for default namespace not available yet api#481

Jira: https://issues.redhat.com/browse/SANDBOX-1214

[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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.08%. Comparing base (d034e8c) to head (558add5).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #536      +/-   ##
==========================================
+ Coverage   81.03%   81.08%   +0.04%     
==========================================
  Files          45       45              
  Lines        3554     3563       +9     
==========================================
+ Hits         2880     2889       +9     
  Misses        587      587              
  Partials       87       87              

Flag	Coverage Δ
unittests	81.08% <100.00%> (+0.04%)	⬆️

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[alexeykazakov]

Still not sure how this can happen but it won't hurt to have this check anyway.

[alexeykazakov]

WDYT about this message instead?

Suggested change

	Message: "No default namespace found",
	Message: "Default namespace not available (yet)",

[MatousJobanek]

I would vote for @alexeykazakov's version

[rajivnathan]

+1

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexeykazakov, mfrancisc, rajivnathan

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• OWNERS [alexeykazakov,mfrancisc,rajivnathan]

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[mfrancisc]

Let's close this for now as discussed here https://redhat-internal.slack.com/archives/CHK0J6HT6/p1749804989753299 it will be addressed differently as part of another effort.