Do case-insensitive comparisons of token addresses in view-quote and build-quote

[danjm]

Fixes #12306

We recently change the way that token addresses are saved in state, so that they are now checksummed. This breaks attempts to compare token addresses in state with token addresses from the swaps apis. This PR corrects those comparisons.

[github-actions]

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[ryanml]

lgtm!

[metamaskbot]

Builds ready [f0ad64e]

• builds: chrome, firefox, opera
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • common: 0, 1, 2, 3
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • phishing-detect: phishing-detect
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5

Page Load Metrics (387 ± 55 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	73	693	349	118	57
		domContentLoaded	273	694	368	118	57
		load	290	704	387	115	55
		domInteractive	273	694	368	118	57

[adonesky1]

LGTM