Fix a broken panel layout with a compositional collection view #315

Job	Run time
cocoapods	1m 4s
carthage	1m 30s
build (5.10, 15.4, macos-14)	57s
example (Maps)	50s
build (5.9, 15.2, macos-13)	40s
swiftpm (iphoneos, arm64)	18s
example (Maps-SwiftUI)	38s
swiftpm_old (x86_64-apple-ios16.4-simulator, 14.3.1, macos-13)	37s
build (5.8, 14.3.1, macos-13)	58s
swiftpm (iphonesimulator, x86_64)	24s
example (Stocks)	54s
swiftpm_old (arm64-apple-ios16.4-simulator, 14.3.1, macos-13)	42s
build (5.7, 14.1, macos-12)	41s
swiftpm (iphonesimulator, arm64)	17s
example (Samples)	1m 20s
swiftpm_old (x86_64-apple-ios15.7-simulator, 14.1, macos-12)	43s
build (5.6, 13.4.1, macos-12)	36s
swiftpm_old (arm64-apple-ios15.7-simulator, 14.1, macos-12)	35s
build (5.5, 13.2.1, macos-12)	1m 35s
test (17.5, 15.4, iPhone 15 Pro, NO, macos-14)	3m 5s
build (5.4, 12.5.1, macos-11)	2m 13s
test (16.4, 14.3.1, iPhone 14 Pro, NO, macos-13)	4m 57s
build (5.3, 12.4, macos-11)	42s
test (15.5, 13.4.1, iPhone 13 Pro, NO, macos-12)	3m 16s
build (5.2, 11.7, macos-11)	37s
	30m 9s

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