fix: center RNTesterExampleFilter on macOS #504

Job	Run time
JavaScript Tests	2m 36s
Lint PR title	25s
Check Yarn Constraints	41s
NPM Publish (Dry Run)	56s
Build the website / Build the website	54s
Build RNTester / macos, oldarch, hermes	22m 21s
Build RNTester / macos, oldarch, jsc	12m 12s
Build RNTester / ios, oldarch, hermes	27m 24s
Build RNTester / macos, newarch, jsc	10m 10s
Build RNTester / ios, newarch, jsc	19m 30s
Build RNTester / visionos, newarch, jsc	11m 53s
Build RNTester / ios, oldarch, jsc	27m 28s
Build RNTester / visionos, newarch, hermes	30m 54s
Build RNTester / macos, newarch, hermes	13m 10s
Build RNTester / visionos, oldarch, hermes	33m 33s
Build RNTester / visionos, oldarch, jsc	13m 29s
Build RNTester / ios, newarch, hermes	33m 50s
PR	0s
Lint PR title	26s
Check Yarn Constraints	41s
JavaScript Tests	2m 36s
Build the website / Build the website	54s
Build RNTester / macos, oldarch, jsc	12m 12s
Build RNTester / macos, newarch, jsc	10m 10s
Build RNTester / macos, oldarch, hermes	22m 21s
Build RNTester / macos, newarch, hermes	13m 10s
Build RNTester / ios, oldarch, hermes	27m 24s
Build RNTester / ios, oldarch, jsc	27m 28s
Build RNTester / ios, newarch, jsc	19m 30s
Build RNTester / ios, newarch, hermes	33m 50s
Build RNTester / visionos, newarch, hermes	30m 54s
Build RNTester / visionos, oldarch, jsc	13m 29s
Build RNTester / visionos, oldarch, hermes	33m 33s
Build RNTester / visionos, newarch, jsc	11m 53s
NPM Publish (Dry Run)	56s
PR	4s
	8h 42m 57s

Provide feedback