chore: patch for volumeMounts

[bangqipropel]

Reason for Change:
add volumeMounts and volume patch for initContainers
add nil check for annotations

Requirements

• added unit tests and e2e tests (if applicable).

Issue Fixed:

Notes for Reviewers:

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 11 lines in your changes missing coverage. Please review.

Project coverage is 57.02%. Comparing base (ed546f0) to head (91e4eae).
Report is 26 commits behind head on main.

Files	Patch %	Lines
pkg/controllers/workspace_controller.go	64.70%	3 Missing and 3 partials ⚠️
pkg/resources/manifests.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #546      +/-   ##
==========================================
- Coverage   61.10%   57.02%   -4.09%     
==========================================
  Files          29       30       +1     
  Lines        2602     2927     +325     
==========================================
+ Hits         1590     1669      +79     
- Misses        921     1160     +239     
- Partials       91       98       +7     

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