Respect style corner radius

shell/Ui/PanelToolTip.qml

@@ -29,7 +29,7 @@ ToolTip {
     color: root.panelBackground
     border.color: Style.normalBorderFor(root.panelForeground, Color.accent)
     border.width: Style.normalBorderWidth
-    radius: 0
+    radius: Style.cornerRadius
     opacity: 0.97
   }
 

shell/plugins/bar/Bar.qml

@@ -695,7 +695,7 @@ Item {
         color: root.background
         border.color: root.foreground
         border.width: 1
-        radius: 0
+        radius: Style.cornerRadius
         opacity: 0.97
 
         Text {