Exclude WebSocket request when serving console index

[JohnNiang]

What type of PR is this?

/kind bug
/area core

What this PR does / why we need it:

This PR excludes WebSocket request when serving console index and remove request predicate accept in ConsoleProxyFilter.

Which issue(s) this PR fixes:

Fixes #4083

Special notes for your reviewer:

1. Start Console with dev environment
2. Start Halo with dev profile
3. Try to browse http://localhost:8090/console and check the log

Does this PR introduce a user-facing change?

修复开发环境下访问 Console 出现异常的问题。

[codecov]

Codecov Report

Merging #4096 (9ffdc76) into main (2fd9cbd) will increase coverage by 0.02%.
The diff coverage is 71.42%.

@@             Coverage Diff              @@
##               main    #4096      +/-   ##
============================================
+ Coverage     60.22%   60.25%   +0.02%     
- Complexity     2385     2392       +7     
============================================
  Files           357      359       +2     
  Lines         12392    12393       +1     
  Branches        892      892              
============================================
+ Hits           7463     7467       +4     
+ Misses         4492     4490       -2     
+ Partials        437      436       -1     

Impacted Files	Coverage Δ
.../java/run/halo/app/console/ConsoleProxyFilter.java	0.00% <0.00%> (ø)
...c/main/java/run/halo/app/config/WebFluxConfig.java	72.41% <100.00%> (+0.48%)	⬆️
...un/halo/app/console/WebSocketRequestPredicate.java	100.00% <100.00%> (ø)
...app/console/WebSocketServerWebExchangeMatcher.java	100.00% <100.00%> (+25.00%)	⬆️
...main/java/run/halo/app/console/WebSocketUtils.java	100.00% <100.00%> (ø)

[ruibaby]

/lgtm

[guqing]

/approve

[f2c-ci-robot]

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