Fix accidentally dropping encoding quality on the floor sometimes

Author: grynspan

Sources/Overlays/_Testing_CoreGraphics/Attachments/AttachableImageFormat+UTType.swift

@@ -46,18 +46,20 @@ extension AttachableImageFormat {
   ///   @Available(Swift, introduced: 6.3)
   /// }
   public init(contentType: UTType, encodingQuality: Float = 1.0) {
+    let kind: Kind
     switch contentType {
     case .png:
-      self.init(kind: .png, encodingQuality: encodingQuality)
+      kind = .png
     case .jpeg:
-      self.init(kind: .jpeg, encodingQuality: encodingQuality)
+      kind = .jpeg
     default:
       precondition(
         contentType.conforms(to: .image),
         "An image cannot be attached as an instance of type '\(contentType.identifier)'. Use a type that conforms to 'public.image' instead."
       )
-      self.init(kind: .systemValue(contentType), encodingQuality: encodingQuality)
+      kind = .systemValue(contentType)
     }
+    self.init(kind: kind, encodingQuality: encodingQuality)
   }
 
   /// Construct an instance of this type with the given path extension and

Sources/Overlays/_Testing_WinSDK/Attachments/AttachableImageFormat+CLSID.swift

@@ -224,14 +224,15 @@ extension AttachableImageFormat {
   @_spi(_)
 #endif
   public init(encoderCLSID: CLSID, encodingQuality: Float = 1.0) {
-    switch CLSID.Wrapper(encoderCLSID) {
+    let kind: Kind = switch CLSID.Wrapper(encoderCLSID) {
     case CLSID.Wrapper(CLSID_WICPngEncoder):
-      self = .png
+      .png
     case CLSID.Wrapper(CLSID_WICJpegEncoder):
-      self = .jpeg
+      .jpeg
     case let encoderCLSID:
-      self.init(kind: .systemValue(encoderCLSID), encodingQuality: encodingQuality)
+      .systemValue(encoderCLSID)
     }
+    self.init(kind: kind, encodingQuality: encodingQuality)
   }
 
   /// Construct an instance of this type with the given path extension and