Support shorthand forms for `getRemoteConfig` #12700

Job	Run time
check-codeql-versions	9s
analyze-other (python)	53s
analyze-other (actions)	50s
analyze-javascript (macos-14-xlarge)	2m 28s
analyze-javascript (windows-2025, linked)	5m 16s
analyze-javascript (macos-15-xlarge, linked)	2m 36s
analyze-javascript (macos-14-xlarge, linked)	2m 47s
analyze-javascript (windows-2022, linked)	5m 16s
analyze-javascript (windows-2022)	5m 21s
analyze-javascript (macos-15-xlarge)	2m 28s
analyze-javascript (ubuntu-24.04, linked)	4m 23s
analyze-javascript (windows-2025)	6m 30s
analyze-javascript (ubuntu-22.04, linked)	4m 30s
analyze-javascript (ubuntu-22.04)	4m 29s
analyze-javascript (ubuntu-24.04)	4m 27s
	52m 23s

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