Fix master registry bug

[rewerma]

Purpose of the pull request

This pull request adds the threadsafe for Master registry and fix the slot distribution bug.

[codecov-commenter]

Codecov Report

Merging #6944 (3138cd4) into dev (94f6c5c) will decrease coverage by 0.08%.
The diff coverage is 14.28%.

@@             Coverage Diff              @@
##                dev    #6944      +/-   ##
============================================
- Coverage     33.14%   33.06%   -0.09%     
+ Complexity     1622     1618       -4     
============================================
  Files           433      433              
  Lines         14290    14290              
  Branches       1426     1426              
============================================
- Hits           4737     4725      -12     
- Misses         9101     9116      +15     
+ Partials        452      449       -3     

Impacted Files	Coverage Δ
...inscheduler/service/queue/MasterPriorityQueue.java	0.00% <0.00%> (ø)
...uler/server/master/registry/ServerNodeManager.java	1.29% <33.33%> (ø)
...r/plugin/registry/zookeeper/ZookeeperRegistry.java	47.27% <0.00%> (-7.28%)	⬇️
...org/apache/dolphinscheduler/remote/utils/Host.java	37.77% <0.00%> (-2.23%)	⬇️
...dolphinscheduler/remote/future/ResponseFuture.java	81.35% <0.00%> (-1.70%)	⬇️
...e/dolphinscheduler/remote/NettyRemotingClient.java	52.11% <0.00%> (-1.41%)	⬇️

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[sonarqubecloud]

SonarCloud Quality Gate failed.   

1 Bug
0 Vulnerabilities
0 Security Hotspots
5 Code Smells

11.1% Coverage
0.0% Duplication

[caishunfeng]

hi @rewerma , please see the sonar analysis and make UTpass.

[kezhenxu94]

No update for nearly a month, and there are conflicts, I'm closing, if @rewerma you are back to this work, feel free to reopen