Tiny + Wlroots: Fix SceneOutputLayout API #86

Job	Run time
black tests	6s
Ruff tests	14s
mypy tests	29s
Build Wayland libraries (0.17.3)	2m 2s
Build Wayland libraries (master)	1m 34s
protocol headers test	18s
packaging tests	37s
Python 3.8 unit tests (0.17.3)	42s
Python 3.9 unit tests (0.17.3)	42s
Python 3.10 unit tests (0.17.3)	41s
Python 3.11 unit tests (0.17.3)	47s
Python 3.12 unit tests (0.17.3)	1m 8s
Python pypy-3.8 unit tests (0.17.3)	59s
Python pypy-3.9 unit tests (0.17.3)	1m 0s
Python pypy-3.10 unit tests (0.17.3)	1m 0s
Python 3.12 unit tests (master)	27s
	12m 46s

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