Add ResourceBinding scheduling suspension helper function

[RainbowMango]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Add ResourceBinding scheduling suspension helper function to simplify code.

Which issue(s) this PR fixes:
Part of #5977

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.35%. Comparing base (0d938d0) to head (2f180f2).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6019      +/-   ##
==========================================
- Coverage   48.38%   48.35%   -0.03%     
==========================================
  Files         665      665              
  Lines       54836    54831       -5     
==========================================
- Hits        26530    26512      -18     
- Misses      26589    26600      +11     
- Partials     1717     1719       +2     

Flag	Coverage Δ
unittests	48.35% <100.00%> (-0.03%)	⬇️

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[RainbowMango]

@Monokaix Can you help to take a look?

[Monokaix]

It's a good catch: )

[karmada-bot]

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