Web: account for canvas being focused already #5296

Job	Run time
Check formatting	13s
Run cargo-deny on Android	21s
Test stable Windows 64bit MSVC	2m 8s
Run cargo-deny on iOS	23s
Test stable Windows 32bit MSVC	1m 53s
Run cargo-deny on Linux	23s
Test stable Windows 64bit GNU	2m 9s
Run cargo-deny on macOS	22s
Test stable Windows 32bit GNU	2m 1s
Run cargo-deny on Redox OS	24s
Test stable Linux 32bit	2m 43s
Run cargo-deny on web	22s
Test stable Linux 64bit	2m 38s
Run cargo-deny on Windows	21s
Test stable X11	2m 23s
Test stable Wayland	2m 18s
Test stable Android	1m 6s
Test stable Redox OS	27s
Test stable macOS	5m 40s
Test stable iOS x86_64	1m 36s
Test stable iOS Aarch64	2m 44s
Test stable web	1m 5s
Test nightly Windows 64bit MSVC	52s
Test nightly Windows 32bit MSVC	54s
Test nightly Windows 64bit GNU	1m 19s
Test nightly Windows 32bit GNU	53s
Test nightly Linux 32bit	1m 4s
Test nightly Linux 64bit	53s
Test nightly X11	48s
Test nightly Wayland	1m 6s
Test nightly Android	1m 1s
Test nightly Redox OS	24s
Test nightly macOS	5m 15s
Test nightly iOS x86_64	1m 16s
Test nightly iOS Aarch64	1m 20s
Test nightly web	34s
Test 1.70.0 Windows 64bit MSVC	58s
Test 1.70.0 Windows 32bit MSVC	59s
Test 1.70.0 Windows 64bit GNU	59s
Test 1.70.0 Windows 32bit GNU	1m 15s
Test 1.70.0 Linux 32bit	1m 21s
Test 1.70.0 Linux 64bit	1m 4s
Test 1.70.0 X11	50s
Test 1.70.0 Wayland	52s
Test 1.70.0 Redox OS	24s
Test 1.70.0 macOS	1m 23s
Test 1.70.0 iOS x86_64	39s
Test 1.70.0 iOS Aarch64	1m 5s
Test 1.70.0 web	44s
Test 1.70.0 Android	36s
Test nightly web Atomic	48s
	1h 5m 16s

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