BUG: Handle IndirectObject in media boxes #4331

Job	Run time
Check code style issues	17s
Build & verify package	11s
pytest on 3.7 (crypto-lib: cryptography)	3m 28s
pytest on windows	4m 51s
pytest on 3.8 (crypto-lib: cryptography)	3m 35s
pytest on 3.9 (crypto-lib: cryptography)	3m 42s
pytest on 3.10 (crypto-lib: cryptography)	3m 56s
pytest on 3.11 (crypto-lib: cryptography)	3m 49s
pytest on 3.12 (crypto-lib: cryptography)	5m 0s
pytest on 3.7 (crypto-lib: pycryptodome)	3m 15s
pytest on 3.7 (crypto-lib: none)	3m 39s
Combine & check coverage.	16s
	35m 59s

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