tests: Convert image-loading tests into visual tests #26403

Job	Run time
Paths filter	8s
Check dependencies	1m 22s
Lints with Rust stable	4m 36s
Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}	0s
Test Rust stable / ubuntu-24.04	5m 10s
Test Rust stable / windows-latest	11m 15s
Lints with Rust beta	4m 39s
Lints with Rust nightly	4m 24s
Test Rust stable / macos-14	3m 53s
Test Rust nightly / ubuntu-24.04	4m 26s
Test Rust beta / ubuntu-24.04	4m 33s
	44m 26s

Provide feedback