Feat/trie mutex refactor

[BeniaminDrasovean]

Reasoning behind the pull request

Proposed changes

Testing procedure

Pre-requisites

Based on the Contributing Guidelines the PR author and the reviewers must check the following requirements are met:

• was the PR targeted to the correct branch?
• if this is a larger feature that probably needs more than one PR, is there a feat branch created?
• if this is a feat branch merging, do all satellite projects have a proper tag inside go.mod?

[codecov]

Codecov Report

Attention: Patch coverage is 87.79070% with 21 lines in your changes are missing coverage. Please review.

Project coverage is 78.80%. Comparing base (484f9e7) to head (cdda030).
Report is 1298 commits behind head on rc/v1.7.next1.

Files	Patch %	Lines
trie/patriciaMerkleTrie.go	70.83%	11 Missing and 10 partials ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##           rc/v1.7.next1    #6076      +/-   ##
=================================================
- Coverage          79.93%   78.80%   -1.13%     
=================================================
  Files                731      754      +23     
  Lines              96343    98128    +1785     
=================================================
+ Hits               77008    77334     +326     
- Misses             13934    15563    +1629     
+ Partials            5401     5231     -170     

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