Bug 1384: Wrong background color of some progress windows parts when system themes are disabled

https://winscp.net/tracker/1384

Source commit: 804a305bd589166424f3687f45ab674a6dca6ad5

source/forms/Progress.dfm

@@ -33,6 +33,7 @@ object ProgressForm: TProgressForm
     Height = 68
     Anchors = [akLeft, akTop, akRight]
     BevelOuter = bvNone
+    ParentColor = True
     TabOrder = 0
     DesignSize = (
       302
@@ -91,6 +92,7 @@ object ProgressForm: TProgressForm
     Height = 63
     Anchors = [akLeft, akTop, akRight]
     BevelOuter = bvNone
+    ParentColor = True
     TabOrder = 1
     DesignSize = (
       322
@@ -197,6 +199,7 @@ object ProgressForm: TProgressForm
     Height = 28
     Anchors = [akLeft, akBottom]
     BevelOuter = bvNone
+    ParentColor = True
     TabOrder = 2
     object Dock: TTBXDock
       Left = 0

source/forms/SynchronizeProgress.dfm

@@ -96,6 +96,7 @@ object SynchronizeProgressForm: TSynchronizeProgressForm
     Height = 28
     Anchors = [akLeft, akBottom]
     BevelOuter = bvNone
+    ParentColor = True
     TabOrder = 0
     object Dock: TTBXDock
       Left = 0