feat(bridge-ui): add custom ERC20 tokens support

[shadab-taiko]

Builds on top of #13153
Makes more required changes (majorly replacing signal with msgHash everywhere).
Adds functionality to enable user to paste custom ERC20 address.

Addresses #12960 and #12977

[codecov]

Codecov Report

Merging #13170 (87c1e0b) into main (f39e65d) will increase coverage by 1.26%.
The diff coverage is 86.66%.

@@            Coverage Diff             @@
##             main   #13170      +/-   ##
==========================================
+ Coverage   60.11%   61.37%   +1.26%     
==========================================
  Files         115      115              
  Lines        3450     3397      -53     
  Branches      468      439      -29     
==========================================
+ Hits         2074     2085      +11     
+ Misses       1289     1228      -61     
+ Partials       87       84       -3     

Flag	Coverage Δ		*Carryforward flag
bridge-ui	93.54% <86.66%> (+0.93%)	⬆️
protocol	52.70% <ø> (+1.69%)	⬆️	Carriedforward from c1dede3
relayer	65.15% <ø> (ø)		Carriedforward from c1dede3
ui	100.00% <ø> (ø)		Carriedforward from c1dede3

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
packages/bridge-ui/src/constants/abi/Bridge.ts	100.00% <ø> (ø)
packages/bridge-ui/src/constants/abi/TokenVault.ts	100.00% <ø> (ø)
packages/bridge-ui/src/eth/bridge.ts	92.59% <ø> (ø)
packages/bridge-ui/src/proof/service.ts	100.00% <ø> (ø)
packages/bridge-ui/src/erc20/bridge.ts	91.93% <75.00%> (-1.17%)	⬇️
packages/bridge-ui/src/storage/service.ts	98.24% <83.33%> (-1.76%)	⬇️
packages/bridge-ui/src/domain/chain.ts	85.29% <86.66%> (+19.66%)	⬆️
packages/bridge-ui/src/domain/token.ts	84.61% <100.00%> (+2.79%)	⬆️
...ges/protocol/contracts/libs/LibAnchorSignature.sol	89.47% <0.00%> (-10.53%)	⬇️
...ages/bridge-ui/src/utils/recommendProcessingFee.ts	93.54% <0.00%> (-6.46%)	⬇️
... and 6 more

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