[DevTools] Unify by using ReactFunctionLocation type instead of Sourc… #1307

Job	Run time
Cache Runtime node_modules	1d 0h 0m 1s
Cache Runtime, Compiler node_modules	1d 0h 0m 1s
Discover flow inline configs	1s
yarn test ${{ matrix.params }} (Shard ${{ matrix.shard }})	0s
Check flags	0s
Confirm generated inline Fizz runtime is up to date	0s
Flow check ${{ matrix.flow_inline_config_shortname }}	0s
Test eslint-plugin-react-hooks	0s
yarn build and lint	0s
yarn test-build	0s
Check release dependencies	0s
Process artifacts combined	0s
Check fixtures DOM (stable)	0s
Build DevTools and process artifacts	0s
Search build artifacts for unminified errors	0s
Run fixtures Flight tests	0s
Run DevTools e2e tests	0s
Run sizebot	0s
Merge DevTools artifacts	-1s
	2d 0h 0m 2s

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