[Backport 0.4]Feat: watch event listener in controller for a faster reconcile

[FogDong]

Description of your changes

Fixes #

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: 31.25% and project coverage change: +0.62 🎉

Comparison is base (13a3531) 67.34% compared to head (84f9123) 67.96%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-0.4     #144      +/-   ##
===============================================
+ Coverage        67.34%   67.96%   +0.62%     
===============================================
  Files               49       48       -1     
  Lines             4346     4299      -47     
===============================================
- Hits              2927     2922       -5     
+ Misses            1043     1015      -28     
+ Partials           376      362      -14     

Flag	Coverage Δ
e2etests	25.06% <35.71%> (+0.76%)	⬆️
unit-test	64.89% <6.25%> (-0.09%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cmd/main.go	0.98% <0.00%> (-0.01%)	⬇️
pkg/features/controller_features.go	100.00% <ø> (ø)
controllers/workflowrun_controller.go	74.82% <30.76%> (+7.15%)	⬆️
pkg/generator/generator.go	68.54% <100.00%> (ø)
pkg/executor/workflow.go	81.39% <0.00%> (+1.79%)	⬆️
pkg/context/context.go	74.83% <0.00%> (+3.31%)	⬆️
api/condition/condition.go	100.00% <0.00%> (+7.79%)	⬆️
api/v1alpha1/types.go	11.11% <0.00%> (+11.11%)	⬆️

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