Fix a bug in Decodable support #1180

Job	Run time
SQLCipher3 (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	9m 59s
Framework (Xcode_14.3.1.app, macOS-13, platform=macOS, macOS)	6m 59s
SQLCipher3 (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	8m 49s
Framework (Xcode_14.3.1.app, macOS-13, OS=16.4,name=iPhone 14 Pro, iOS)	9m 8s
Framework (Xcode_14.3.1.app, macOS-13, OS=16.4,name=Apple TV, tvOS)	9m 10s
Framework (Xcode_14.2.app, macOS-13, platform=macOS, macOS)	5m 39s
XCFramework (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	9m 25s
Framework (Xcode_14.2.app, macOS-13, OS=16.2,name=iPhone 14, iOS)	9m 41s
XCFramework (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	6m 11s
Framework (Xcode_14.1.app, macOS-13, platform=macOS, macOS)	5m 58s
Framework (Xcode_14.1.app, macOS-13, OS=16.1,name=iPhone 14, iOS)	10m 8s
Framework (Xcode_14.0.1.app, macOS-12, platform=macOS, macOS)	4m 41s
SPM (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	13m 23s
CustomSQLite (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	7m 29s
SPM (Xcode_14.2.app, macOS-13, Xcode 14.2)	11m 29s
Framework (Xcode_14.0.1.app, macOS-12, OS=16.0,name=iPhone 14, iOS)	14m 48s
CustomSQLite (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	6m 6s
SPM (Xcode_14.1.app, macOS-13, Xcode 14.1)	12m 25s
SPM (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	25m 47s
SQLCipher4 (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	18m 8s
SQLCipher4 (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	33m 46s
	3h 59m 9s

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