fix(bts): add label for registering coin name

[MuhammedIrfan]

Checklist:

• [x] I have performed a self-review of my own code
• [ ] I have documented my code in accordance with the documentation guidelines
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have run the unit tests
• [x] I only have one commit (if not, squash them into one commit).
• [x] I have a descriptive commit message that adheres to the commit message guidelines

[codecov[bot]]

Codecov Report

Merging #772 (10e5ec3) into main (1787eb6) will decrease coverage by 0.02%. The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #772      +/-   ##
============================================
- Coverage     38.05%   38.02%   -0.03%     
  Complexity      801      801              
============================================
  Files           115      115              
  Lines         11158    11152       -6     
  Branches        941      941              
============================================
- Hits           4246     4241       -5     
+ Misses         6591     6590       -1     
  Partials        321      321              

Impacted Files	Coverage Δ
cmd/iconbridge/chain/bsc/receiver.go	57.80% <0.00%> (-1.22%)	:arrow_down:
cmd/iconbridge/chain/substrate-eth/sender.go	0.00% <0.00%> (ø)