Fix bug for FrameCryptor and E2E test for E2EE. #1384

Job	Run time
Build RTC wheels (x86_64 arm64)	49s
Build RTC wheels (AMD64)	1m 25s
Make RTC sdist	14s
Build RTC wheels (aarch64)	1m 13s
Generating protobuf	22s
Build RTC wheels (x86_64)	1m 1s
Test (windows-latest, Python 3.9) / Test (windows-latest, Python 3.9)	2m 16s
Test (ubuntu-latest, Python 3.9) / Test (ubuntu-latest, Python 3.9)	1m 12s
Test (ubuntu-latest, Python 3.11) / Test (ubuntu-latest, Python 3.11)	1m 16s
Test (macos-latest, Python 3.12) / Test (macos-latest, Python 3.12)	1m 24s
Test (ubuntu-latest, Python 3.12) / Test (ubuntu-latest, Python 3.12)	1m 6s
Test (macos-latest, Python 3.9) / Test (macos-latest, Python 3.9)	1m 36s
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 29s
Test (ubuntu-latest, Python 3.14) / Test (ubuntu-latest, Python 3.14)	1m 14s
Test (windows-latest, Python 3.12) / Test (windows-latest, Python 3.12)	1m 26s
Test (ubuntu-latest, Python 3.10) / Test (ubuntu-latest, Python 3.10)	1m 6s
Test (windows-latest, Python 3.14) / Test (windows-latest, Python 3.14)	1m 51s
Publish RTC release	-1s
docs	0s
	22m 8s

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