Don't set the background color when initializing with transparency #6086

Job	Run time
Check formatting	11s
Check for typos	6s
Run cargo-deny on Android	20s
Run cargo-deny on iOS	20s
Test stable Windows 64bit MSVC	3m 8s
Run cargo-deny on Linux	21s
Test stable Windows 32bit MSVC	1m 49s
Run cargo-deny on macOS	23s
Test stable Windows 64bit GNU	2m 18s
Test stable Windows 32bit GNU	2m 10s
Run cargo-deny on Redox OS	23s
Test stable Linux 32bit	1m 50s
Run cargo-deny on web	23s
Test stable Linux 64bit	1m 50s
Run cargo-deny on Windows	21s
Test stable X11	1m 49s
Test stable Wayland	1m 25s
Test stable Android	57s
Test stable Redox OS	24s
Test stable macOS	57s
Test stable iOS x86_64	47s
Test stable iOS Aarch64	43s
Test stable web	1m 1s
Test nightly Windows 64bit MSVC	1m 47s
Test nightly Windows 32bit MSVC	1m 58s
Test nightly Windows 64bit GNU	2m 7s
Test nightly Windows 32bit GNU	2m 13s
Test nightly Linux 32bit	2m 0s
Test nightly Linux 64bit	1m 56s
Test nightly X11	1m 47s
Test nightly Wayland	1m 41s
Test nightly Android	56s
Test nightly Redox OS	27s
Test nightly macOS	52s
Test nightly iOS x86_64	45s
Test nightly iOS Aarch64	49s
Test nightly web	58s
Test 1.70.0 Windows 64bit MSVC	1m 13s
Test 1.70.0 Windows 32bit MSVC	1m 4s
Test 1.70.0 Windows 64bit GNU	1m 8s
Test 1.70.0 Windows 32bit GNU	1m 13s
Test 1.70.0 Linux 32bit	1m 23s
Test 1.70.0 Linux 64bit	1m 2s
Test 1.70.0 X11	51s
Test 1.70.0 Wayland	52s
Test 1.70.0 Redox OS	21s
Test 1.70.0 macOS	33s
Test 1.70.0 iOS x86_64	27s
Test 1.70.0 iOS Aarch64	28s
Test 1.70.0 web	43s
Test 1.70.0 Android	37s
Test nightly web Atomic	1m 14s
	57m 21s

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