Don't set the background color when initializing with transparency #6087

Job	Run time
Check formatting	11s
Check for typos	6s
Run cargo-deny on Android	21s
Run cargo-deny on iOS	22s
Test stable Windows 64bit MSVC	3m 13s
Run cargo-deny on Linux	20s
Test stable Windows 32bit MSVC	2m 49s
Run cargo-deny on macOS	23s
Test stable Windows 64bit GNU	1m 52s
Run cargo-deny on Redox OS	56s
Test stable Windows 32bit GNU	2m 34s
Run cargo-deny on web	25s
Test stable Linux 32bit	2m 11s
Run cargo-deny on Windows	24s
Test stable Linux 64bit	2m 4s
Test stable X11	1m 35s
Test stable Wayland	1m 31s
Test stable Android	58s
Test stable Redox OS	20s
Test stable macOS	49s
Test stable iOS x86_64	52s
Test stable iOS Aarch64	50s
Test stable web	56s
Test nightly Windows 64bit MSVC	1m 40s
Test nightly Windows 32bit MSVC	1m 51s
Test nightly Windows 64bit GNU	2m 9s
Test nightly Windows 32bit GNU	2m 13s
Test nightly Linux 32bit	1m 55s
Test nightly Linux 64bit	1m 50s
Test nightly X11	1m 39s
Test nightly Wayland	1m 44s
Test nightly Android	57s
Test nightly Redox OS	30s
Test nightly macOS	52s
Test nightly iOS x86_64	46s
Test nightly iOS Aarch64	46s
Test nightly web	57s
Test 1.70.0 Windows 64bit MSVC	59s
Test 1.70.0 Windows 32bit MSVC	1m 34s
Test 1.70.0 Windows 64bit GNU	1m 13s
Test 1.70.0 Windows 32bit GNU	1m 8s
Test 1.70.0 Linux 32bit	1m 13s
Test 1.70.0 Linux 64bit	1m 2s
Test 1.70.0 X11	54s
Test 1.70.0 Wayland	48s
Test 1.70.0 Redox OS	20s
Test 1.70.0 macOS	34s
Test 1.70.0 iOS x86_64	27s
Test 1.70.0 iOS Aarch64	27s
Test 1.70.0 web	36s
Test 1.70.0 Android	40s
Test nightly web Atomic	1m 12s
	58m 58s

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