fix(Net) bad mask with odd number of bytes #2780

Job	Run time
android-arm64-v8a-ndk-cmake	8m 56s
android-arm64-v8a-ndk-latest-cmake	7m 38s
android-armeabi-v7a-ndk-cmake	8m 23s
linux-gcc-make-armv7l	14m 11s
linux-emscripten-cmake	5m 16s
linux-gcc-cmake	17m 14s
linux-gcc-cmake-unbundled	17m 45s
linux-gcc-make	21m 57s
linux-gcc-make-asan	26m 59s
linux-gcc-make-asan-no-soo	26m 41s
linux-gcc-make-cross-armhf	14m 23s
linux-gcc-make-cxx20	27m 13s
linux-gcc-make-trace	21m 53s
linux-gcc-make-tsan	21m 41s
linux-gcc-make-ubsan	32m 23s
macos-clang-make	32m 16s
macos-clang-make-visibility-hidden	38m 59s
macos-clang-cmake-openssl3	21m 21s
macos-clang-cmake-openssl3-visibility-hidden	22m 1s
macos-clang-make-openssl3-asan	39m 38s
macos-clang-make-openssl3-tsan	19m 37s
macos-clang-make-openssl3-ubsan	38m 40s
windows-2022-msvc-buildwin-x64	38m 1s
windows-2022-msvc-cmake	23m 17s
linux-gcc-make-mongodb	8m 19s
linux-gcc-make-mysql	8m 22s
linux-gcc-make-odbc	13m 41s
linux-gcc-make-postgres	8m 19s
linux-gcc-make-redis	8m 11s
linux-gcc-make-sqlite-no-sqlparser	8m 14s
windows-2022-msvc-cmake-static	28m 48s
windows-2022-msvc-cmake-static-mt	34m 46s
	11h 5m 3s

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