text: Skip setting HTML text when it hasn't changed #26891

Job	Run time
Paths filter	8s
Lints with Rust stable	3m 51s
Lints with Rust beta	3m 57s
Test Rust stable / ubuntu-24.04	4m 37s
Lints with Rust nightly	3m 57s
Test Rust stable / windows-latest	11m 48s
Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}	0s
Test Rust stable / macos-14	3m 17s
Test Rust nightly / ubuntu-24.04	4m 23s
Test Rust beta / ubuntu-24.04	4m 38s
Check dependencies	1m 29s
	42m 5s

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