Turn on x-chain gauges

[hammeiam]

• engage IS_CROSS_CHAIN_GAUGES_LIVE flag
• add Opt and Arb to chains that should display gauges
• only show vesdl on mainnet

[codecov[bot]]

Codecov Report

Merging #1318 (621f169) into master (c2804d2) will increase coverage by 0.00%. The diff coverage is 25.00%.

@@          Coverage Diff           @@
##           master   #1318   +/-   ##
======================================
  Coverage    9.39%   9.39%           
======================================
  Files         182     182           
  Lines        6739    6738    -1     
  Branches     2204    2204           
======================================
  Hits          633     633           
+ Misses       6106    6105    -1     

Impacted Files	Coverage Δ
src/components/TopMenu.tsx	0.00% <0.00%> (ø)
src/utils/gauges.ts	1.08% <0.00%> (ø)
src/constants/index.ts	96.68% <100.00%> (ø)

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