fix incorrect casing of includeUsdRate option passed to CurrencyRateController

[adonesky1]

Currently we are not fetching USD conversion rates when user's preferred secondary currency is not USD as we intend to because the CurrencyRateController expects option to be cased as includeUsdRate and we are passing incorrectly cased includeUSDRate

[github-actions]

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[metamaskbot]

Builds ready [e0553f3]

• builds: chrome, firefox, opera
• builds (beta): chrome, firefox, opera
• builds (flask): 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
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
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  • phishing-detect: phishing-detect
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1741 ± 47 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	85	143	104	15	7
		domContentLoaded	1590	2005	1727	101	49
		load	1600	2023	1741	98	47
		domInteractive	1590	2005	1727	101	48