Fix #6562 #6563 data mover bugs

[qiuming-best]

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Fixes #(issue)
#6562 #6563

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[codecov-commenter]

Codecov Report

Merging #6603 (142c66b) into main (06628cf) will decrease coverage by 0.10%.
Report is 2 commits behind head on main.
The diff coverage is 43.33%.

@@            Coverage Diff             @@
##             main    #6603      +/-   ##
==========================================
- Coverage   60.18%   60.09%   -0.10%     
==========================================
  Files         242      242              
  Lines       25639    25721      +82     
==========================================
+ Hits        15431    15456      +25     
- Misses       9135     9182      +47     
- Partials     1073     1083      +10     

Files Changed	Coverage Δ
pkg/cmd/server/server.go	22.03% <0.00%> (+0.11%)	⬆️
pkg/controller/data_upload_controller.go	63.61% <36.84%> (-2.36%)	⬇️
pkg/controller/data_download_controller.go	70.88% <41.02%> (-3.22%)	⬇️
pkg/util/kube/pod.go	91.66% <100.00%> (+1.47%)	⬆️

... and 2 files with indirect coverage changes