Handle proxy responses with case insensitive and OK result #1727

Job	Run time
Run Coverity tests	0s
Build on Fedora 40	1m 5s
Build on Ubuntu for androidarm	4m 26s
Build on Fedora 41	59s
Run CodeQL tests	3m 6s
Build on Ubuntu for androidarm64	4m 38s
Build on Fedora rawhide	1m 7s
Build on macOS for macos	1m 41s
Build on Ubuntu for androidx86_64	4m 30s
Build on macOS for iphoneos	55s
Deploy pages	0s
Build on macOS for iphonesimulator	1m 4s
Build on Ubuntu 22.04	2m 26s
Build on Ubuntu 24.04	2m 31s
Build on Windows (143, x86)	13m 58s
Build on Ubuntu 24.10	2m 38s
Build on Windows (143, x64)	13m 54s
Build on Windows (143, arm64)	12m 52s
Build on Windows (142, x86)	14m 18s
Build on Windows (142, x64)	6m 42s
Build on Windows (142, arm64)	12m 50s
	1h 45m 40s

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