Fix optional bodies (#1365) #3169

Job	Run time
test_min_deps (macos-latest)	1m 4s
test_min_deps (ubuntu-latest)	41s
test_min_deps (windows-latest)	1m 27s
Integration Tests (pdm.lock)	23s
Integration Tests (pdm.minimal.lock)	28s
test (3.10, macos-latest)	1m 25s
test (3.10, ubuntu-latest)	1m 6s
test (3.11, ubuntu-latest)	1m 10s
test (3.12, macos-latest)	42s
test (3.11, macos-latest)	40s
test (3.10, windows-latest)	2m 21s
test (3.12, windows-latest)	1m 40s
test (3.12, ubuntu-latest)	1m 2s
test (3.13, ubuntu-latest)	1m 6s
test (3.14, macos-latest)	1m 1s
test (3.14, ubuntu-latest)	1m 4s
test (3.11, windows-latest)	1m 43s
test (3.14, windows-latest)	1m 39s
test (3.13, macos-latest)	48s
test (3.13, windows-latest)	1m 39s
Combine & check coverage	14s
	23m 23s

Provide feedback