sync: from linuxdeepin/dtkdeclarative

Synchronize source files from linuxdeepin/dtkdeclarative.

Source-pull-request: linuxdeepin/dtkdeclarative#478

Author: deepin-ci-robot

qt6/src/qml/ScrollBar.qml

@@ -14,7 +14,7 @@ T.ScrollBar {
     implicitHeight: DS.Style.control.implicitHeight(control)
 
     padding: DS.Style.scrollBar.padding
-    visible: control.policy !== T.ScrollBar.AlwaysOff
+    visible: control.policy !== T.ScrollBar.AlwaysOff && control.size < 1.0
     policy: D.DTK.platformTheme.scrollBarPolicy
 
     state: "hide"