All apps get a default content when no content is provided. #6759

Job	Run time
Pre-commit checks / Pre-commit Checks	43s
Check towncrier / Towncrier Checks	36s
Package Toga (android) / Create Python Package	13s
Package Toga (cocoa) / Create Python Package	14s
Package Toga (core) / Create Python Package	18s
Package Toga (demo) / Create Python Package	15s
Package Toga (dummy) / Create Python Package	19s
Package Toga (gtk) / Create Python Package	14s
Package Toga (iOS) / Create Python Package	16s
Package Toga (textual) / Create Python Package	22s
Package Toga (toga) / Create Python Package	22s
Package Toga (web) / Create Python Package	25s
Package Toga (winforms) / Create Python Package	15s
Test core (macos-12, 3.8)	1m 6s
Test core (macos-12, 3.12)	1m 4s
Test core (macos-12, 3.13-dev)	2m 2s
Test core (macos-14, 3.12)	42s
Test core (macos-14, 3.13-dev)	1m 11s
Test core (ubuntu-latest, 3.8)	35s
Test core (ubuntu-latest, 3.12)	48s
Test core (ubuntu-latest, 3.13-dev)	1m 6s
Test core (windows-latest, 3.8)	1m 15s
Test core (windows-latest, 3.12)	1m 6s
Test core (ubuntu-latest, 3.9, false)	41s
Test core (ubuntu-latest, 3.10, false)	38s
Test core (ubuntu-latest, 3.11, false)	34s
Testbed	0s
Coverage	0s
	17m 20s

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