fix startup warnings

containment/package/contents/ui/colorizer/CustomBackground.qml

@@ -187,6 +187,8 @@ Item{
                                 return centerStep;
                             }
                         }
+
+                        return 0;
                     }
                     anchors.horizontalCenterOffset: {
                         //left edge and right edge

plasmoid/package/contents/ui/task/IconItem.qml

@@ -161,7 +161,7 @@ Item{
             height: Math.round(width) * 1.0002
             source: decoration
             smooth: root.zoomFactor === 1 ? true : false
-            providesColors: indicators.info.needsIconColors
+            providesColors: indicators ? indicators.info.needsIconColors : false
 
             opacity: root.enableShadows ? 0 : 1
             visible: !taskItem.isSeparator && !badgesLoader.active

plasmoid/package/contents/ui/task/indicator/Loader.qml

@@ -35,7 +35,12 @@ Loader {
     anchors.verticalCenter: root.vertical ? parent.verticalCenter : undefined
 
     active: level.bridge && level.bridge.active && (level.isBackground || (level.isForeground && indicators.info.providesFrontLayer))
-    sourceComponent: indicators.indicatorComponent
+    sourceComponent: {
+        if (!indicators) {
+            return;
+        }
+        return indicators.indicatorComponent;
+    }
 
     width: {
         if (locked) {
@@ -64,7 +69,7 @@ Loader {
 
     Connections {
         target: taskItem
-        enabled: indicators.info.needsMouseEventCoordinates
+        enabled: indicators ? indicators.info.needsMouseEventCoordinates : false
         onPressed: {
             var fixedPos = indicatorLoader.mapFromItem(taskItem, mouse.x, mouse.y);
             level.mousePressed(Math.round(fixedPos.x), Math.round(fixedPos.y), mouse.button);