[release-1.28] Fixing setproctitle function

[brandond]

(cherry picked from commit bf6e874)

Proposed Changes

Fix setproctitle wrapper to not always set title to "agent"
Commit was missed from previous round of backports.

Types of Changes

bugfix

Verification

See linked issue

Testing

Linked Issues

• [Release-1.28] - k3s server process shows up as k3s agent in process list #10621

User-Facing Change

Further Comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.79%. Comparing base (21794b9) to head (8bc2418).
Report is 3 commits behind head on release-1.28.

❗ There is a different number of reports uploaded between BASE (21794b9) and HEAD (8bc2418). Click for more details.

HEAD has 9 uploads less than BASE

Flag	BASE (21794b9)	HEAD (8bc2418)
unittests	2	0
e2etests	13	6

Additional details and impacted files

@@                Coverage Diff                @@
##           release-1.28   #10624       +/-   ##
=================================================
- Coverage         45.85%   35.79%   -10.07%     
=================================================
  Files               165      162        -3     
  Lines             16811    14179     -2632     
=================================================
- Hits               7709     5075     -2634     
- Misses             7788     8108      +320     
+ Partials           1314      996      -318     

Flag	Coverage Δ
e2etests	35.79% <100.00%> (-11.33%)	⬇️
unittests	?

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