[Fix] Set default admin for token bridge on reinitialization

[thedarkjester]

Checklist

• I wrote new tests for my new core changes.
• I have successfully ran tests, style checker and build against my new changes locally.
• I have informed the team of any breaking changes if there are any.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.59%. Comparing base (017df93) to head (6dc0b1f).

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #211   +/-   ##
=========================================
  Coverage     70.58%   70.59%           
  Complexity     1059     1059           
=========================================
  Files           291      291           
  Lines         11957    11960    +3     
  Branches       1102     1051   -51     
=========================================
+ Hits           8440     8443    +3     
  Misses         3039     3039           
  Partials        478      478           

Flag	Coverage Δ
hardhat	98.67% <100.00%> (+<0.01%)	⬆️
kotlin	68.28% <ø> (ø)

Files with missing lines	Coverage Δ
contracts/contracts/tokenBridge/TokenBridge.sol	100.00% <100.00%> (ø)