fix(pbft):optimize pbft logic

[jwrct]

What does this PR do?
optimize pbft logic
Why are these changes required?

This PR has been tested by:

• Unit Tests
• Manual Testing

Follow up

Extra details

[codecov-commenter]

Codecov Report

Merging #5210 (146c9f7) into release_v4.7.2 (1e3e385) will increase coverage by 0.00%.
The diff coverage is 0.00%.

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@@                Coverage Diff                @@
##             release_v4.7.2    #5210   +/-   ##
=================================================
  Coverage             59.28%   59.29%           
- Complexity             8823     8825    +2     
=================================================
  Files                   836      836           
  Lines                 49628    49628           
  Branches               5524     5523    -1     
=================================================
+ Hits                  29424    29427    +3     
  Misses                17876    17876           
+ Partials               2328     2325    -3     

Impacted Files	Coverage Δ
...main/java/org/tron/consensus/pbft/PbftManager.java	17.02% <0.00%> (ø)
...ava/org/tron/consensus/pbft/PbftMessageHandle.java	17.90% <0.00%> (ø)

... and 6 files with indirect coverage changes

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