add missing reference and comment

plasmoid/package/contents/ui/AppletAbilities.qml

@@ -80,6 +80,7 @@ Item {
     Ability.PositionShortcuts {
         id: _shortcuts
         bridge: _abilityContainer.bridge
+        indexer: _indexer
     }
 
     ClientAbility.Requirements{

plasmoid/package/contents/ui/abilities/Indexer.qml

@@ -26,7 +26,7 @@ import org.kde.latte.abilities.client 0.1 as ClientAbility
 
 ClientAbility.Indexer {
     id: _indexer
-    property Item layout: null   
+    property Item layout: null
 
     property bool updateIsBlocked: false
     property int itemsCount: 0 /*is needed to be set from consumer developer in order to avoid binding loops warnings*/

plasmoid/package/contents/ui/abilities/ParabolicEffect.qml

@@ -26,7 +26,7 @@ import org.kde.latte.abilities.client 0.1 as ClientAbility
 
 ClientAbility.ParabolicEffect {
     id: parabolic
-    property int itemsCount: 0
+    property int itemsCount: 0 /*is needed to be set from consumer developer in order to avoid binding loops warnings*/
 
     isEnabled: !root.inPlasma || root.inPlasmaDesktop
     local.factor.zoom: isEnabled ? ( 1 + (plasmoid.configuration.zoomLevel / 20) ) : 1

plasmoid/package/contents/ui/abilities/PositionShortcuts.qml

@@ -26,6 +26,7 @@ import org.kde.latte.abilities.client 0.1 as ClientAbility
 
 ClientAbility.PositionShortcuts {
     id: shortcuts
+    property Item indexer: null
 
     function shortcutIndex(entryIndex) {
         if (!bridge || bridge.shortcuts.host.unifiedGlobalShortcuts) {