Fix ControlledQubitUnitary consistency with program capture

[andrijapau]

Context:

Description of the Change:

Benefits:

Code is now behaving consistently when qml.capture is enabled or disabled.

Possible Drawbacks: None identified.

Related GitHub Issues: Fixes #6675

[sc-79808]

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 65.00000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 99.37%. Comparing base (a0ecd9a) to head (5ab830d).
Report is 7 commits behind head on master.

Files with missing lines	Patch %	Lines
pennylane/ops/op_math/controlled_ops.py	65.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6719      +/-   ##
==========================================
- Coverage   99.61%   99.37%   -0.24%     
==========================================
  Files         471      474       +3     
  Lines       44255    44983     +728     
==========================================
+ Hits        44086    44704     +618     
- Misses        169      279     +110     

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