Fix: apply application should not use strategic merge patch

[Somefive]

Description of your changes

Fixes kubevela/kubevela#5966

Related PR: kubevela/pkg#85

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.08 🎉

Comparison is base (687ba32) 66.76% compared to head (37e3495) 66.85%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #165      +/-   ##
==========================================
+ Coverage   66.76%   66.85%   +0.08%     
==========================================
  Files          50       50              
  Lines        4553     4547       -6     
==========================================
  Hits         3040     3040              
+ Misses       1108     1102       -6     
  Partials      405      405              

Flag	Coverage Δ
e2etests	22.17% <ø> (+0.03%)	⬆️
unit-test	64.27% <ø> (ø)

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see 1 file with indirect coverage changes

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