spidercoordinator: It should update the status to NotReady if any errors occur

[cyclinder]

Thanks for contributing!

What type of PR is this?

• release/none

What this PR does / why we need it:

If obtaining the CIDR information of the cluster fails, we should update its status to NotReady. This prevents the normal creation of pods. Otherwise, the pod will use the incorrect CIDR. Causing communication issues.

Which issue(s) this PR fixes:

Fixes #2928

Special notes for your reviewer:

[codecov]

Codecov Report

Merging #2929 (b6bbd2c) into main (b9e6d82) will not change coverage.
Report is 16 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2929   +/-   ##
=======================================
  Coverage   81.09%   81.09%           
=======================================
  Files          49       49           
  Lines        5333     5333           
=======================================
  Hits         4325     4325           
  Misses        852      852           
  Partials      156      156           

Flag	Coverage Δ
unittests	81.09% <ø> (ø)

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[weizhoublue]

I suggest that the PR title could be changed to explain the influence for the user.
That would make more sense in the release note