Fix intermittent error when deleting programs

[anfredette]

Change the order of operations in handleProgDelete() to update the status before removing the finalizer when a *Program is being deleted.

Fixes: #353

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.

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Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
controllers/bpfman-agent/common.go	0.00%	11 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #354   +/-   ##
=======================================
  Coverage        ?   28.12%           
=======================================
  Files           ?      128           
  Lines           ?    11207           
  Branches        ?        0           
=======================================
  Hits            ?     3152           
  Misses          ?     7773           
  Partials        ?      282           

Flag	Coverage Δ
unittests	28.12% <0.00%> (?)

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[Billy99]

/lgtm