evp: skip padding propagation based on the AEAD flag #15

Job	Run time
msys2-mingw64 (CLANG64, clang, mingw-w64-clang-x86_64-clang, mingw64)	15m 8s
cygwin (windows-2022, win64, -DCMAKE_C_COMPILER=gcc --strict-warnings enable-demos no-fips)	17m 48s
mingw64 (mingw, i686, -Wno-array-bounds -Wno-stringop-overflow)	4m 38s
shared (x86, windows-2022, no-fips enable-lms, C:\Program Files\Microsoft Visual Studio\2022\Ente...	27m 12s
shared (amd64, windows-2022, enable-lms enable-fips, C:\Program Files\Microsoft Visual Studio\202...	23m 54s
plain	21m 26s
mingw64 (mingw64, x86_64, enable-demos -Wno-array-bounds)	11m 20s
msys2-mingw64 (UCRT64, gcc, mingw-w64-ucrt-x86_64-gcc, mingw64 enable-demos)	20m 0s
minimal	8m 45s
shared (amd64, windows-2025, enable-lms enable-fips no-thread-pool no-quic, C:\Program Files\Micr...	27m 24s
	2h 57m 35s

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