general: better multieffect mask settings

Better launcher wallpaper rounding and bar active workspace indicator

modules/bar/components/workspaces/ActiveIndicator.qml

@@ -48,8 +48,8 @@ Rectangle {
         source: base
         maskSource: root.mask
         maskEnabled: true
-        maskSpreadAtMin: 0.6
-        maskThresholdMin: 0.4
+        maskSpreadAtMin: 1
+        maskThresholdMin: 0.5
 
         x: root.vertical ? 0 : -parent.offset
         y: root.vertical ? -parent.offset : 0

modules/bar/components/workspaces/Workspaces.qml

@@ -26,6 +26,7 @@ Item {
 
         spacing: 0
         layer.enabled: true
+        layer.smooth: true
 
         Repeater {
             model: BarConfig.workspaces.shown

modules/launcher/WallpaperItem.qml

@@ -43,6 +43,7 @@ StyledRect {
         id: mask
 
         layer.enabled: true
+        layer.smooth: true
         visible: false
         anchors.fill: image
         radius: Appearance.rounding.normal
@@ -66,6 +67,8 @@ StyledRect {
         source: image
         maskEnabled: true
         maskSource: mask
+        maskSpreadAtMin: 1
+        maskThresholdMin: 0.5
     }
 
     StyledText {