BUG: Handle IndirectObject in media boxes #4332

Job	Run time
pytest on 3.7 (crypto-lib: cryptography)	3m 26s
pytest on 3.8 (crypto-lib: cryptography)	3m 46s
pytest on windows	4m 54s
pytest on 3.9 (crypto-lib: cryptography)	3m 45s
Check code style issues	17s
pytest on 3.10 (crypto-lib: cryptography)	3m 53s
pytest on 3.11 (crypto-lib: cryptography)	3m 25s
pytest on 3.12 (crypto-lib: cryptography)	4m 50s
pytest on 3.7 (crypto-lib: pycryptodome)	3m 24s
pytest on 3.7 (crypto-lib: none)	3m 53s
Build & verify package	13s
Combine & check coverage.	16s
	36m 2s

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