Fix bug for FrameCryptor and E2E test for E2EE. #1385

Job	Run time
Generating protobuf	22s
Build RTC wheels (aarch64)	1m 12s
Build RTC wheels (x86_64 arm64)	1m 2s
Build RTC wheels (x86_64)	53s
Make RTC sdist	11s
Build RTC wheels (AMD64)	1m 10s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	1m 24s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	1m 36s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	1m 6s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	2m 9s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	1m 13s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	1m 22s
Test (ubuntu-latest, Python 3.13) / Test (ubuntu-latest, Python 3.13)	1m 9s
Test (macos-latest, Python 3.14) / Test (macos-latest, Python 3.14)	1m 23s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 34s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	1m 52s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	1m 8s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	1m 7s
Publish RTC release	0s
docs	0s
	21m 53s

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