feat: trigger controller wait eventbus ready

[xdlbdy]

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary

What is changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

[codecov]

Codecov Report

Merging #577 (64323fc) into main (ee76217) will decrease coverage by 2.74%.
The diff coverage is 39.33%.

❗ Current head 64323fc differs from pull request most recent head 30814f8. Consider uploading reports for the commit 30814f8 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #577      +/-   ##
==========================================
- Coverage   57.07%   54.33%   -2.74%     
==========================================
  Files         190      211      +21     
  Lines       15191    17161    +1970     
==========================================
+ Hits         8670     9325     +655     
- Misses       5884     7138    +1254     
- Partials      637      698      +61     

Impacted Files	Coverage Δ
internal/controller/eventbus/block/block.go	35.93% <0.00%> (-16.70%)	⬇️
internal/controller/eventbus/block/selector.go	91.66% <ø> (-8.34%)	⬇️
internal/controller/trigger/storage/storage.go	0.00% <ø> (ø)
internal/controller/trigger/worker/policy.go	100.00% <ø> (ø)
internal/gateway/proxy/auth.go	0.00% <0.00%> (ø)
internal/gateway/proxy/deadletter.go	0.00% <0.00%> (ø)
internal/gateway/proxy/util.go	0.00% <0.00%> (ø)
internal/primitive/authentication/client.go	0.00% <0.00%> (ø)
internal/primitive/authorization/action.go	0.00% <0.00%> (ø)
internal/primitive/authorization/client.go	0.00% <0.00%> (ø)
... and 74 more

... and 46 files with indirect coverage changes

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