refactor(rn tester app): change dimensions example to hooks

[Marcoo09]

Summary

This pull request migrates the dimensions example to using React Hooks.

Changelog

[General] [Changed] - RNTester: Migrate Dimensions to hooks

Test Plan

The animation works exactly as it did as when it was a class component

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: ba5454c42134cc09772f024772b19a9990b1fb7f Branch: main

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	7,065,869	+64,476
android	hermes	armeabi-v7a	6,469,952	+92,085
android	hermes	x86	7,377,547	-36,401
android	hermes	x86_64	7,348,549	+70,677
android	jsc	arm64-v8a	8,923,060	+55,495
android	jsc	armeabi-v7a	7,688,998	+83,116
android	jsc	x86	8,869,854	-55,611
android	jsc	x86_64	9,462,791	+54,090

Base commit: ba5454c42134cc09772f024772b19a9990b1fb7f Branch: main

[pull-bot]

PR build artifact for 071127b213cffaacc0b1f95f072fa5d2b587c8d9 is ready. To use, download tarball from "Artifacts" tab in this CircleCI job then run yarn add <path to tarball> in your React Native project.

[pull-bot]

PR build artifact for 203e5e0d97fd73685974c7421cca9b04cb3f3a3c is ready. To use, download tarball from "Artifacts" tab in this CircleCI job then run yarn add <path to tarball> in your React Native project.

[facebook-github-bot]

@NickGerleman has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[react-native-bot]

This pull request was successfully merged by @Marcoo09 in 745e26288c656237b0f86f6cfc55643eeb0817ca.

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