Fetch support extruder instead of the default.

The (main) problem here was that the 'active extruder' was queried for the value, which isn't the same as the support-extruder.

CURA-11725

resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml

@@ -34,6 +34,15 @@ RecommendedSettingSection
         storeIndex: 0
     }
 
+    UM.SettingPropertyProvider
+    {
+        id: supportExtruderProvider
+        key: "support_extruder_nr"
+        containerStack: Cura.MachineManager.activeMachine
+        watchedProperties: [ "value" ]
+        storeIndex: 0
+    }
+
     contents: [
         RecommendedSettingItem
         {
@@ -47,6 +56,8 @@ RecommendedSettingSection
                 width: parent.width
                 settingName: "support_structure"
                 propertyRemoveUnusedValue: false
+                updateAllExtruders: true
+                defaultExtruderIndex: supportExtruderProvider.properties.value
             }
         },
         RecommendedSettingItem
@@ -75,6 +86,8 @@ RecommendedSettingSection
             {
                 width: parent.width
                 settingName: "support_type"
+                updateAllExtruders: true
+                defaultExtruderIndex: supportExtruderProvider.properties.value
             }
         }
     ]

resources/qml/Widgets/SingleSettingComboBox.qml

@@ -28,7 +28,7 @@ Cura.ComboBox {
         id: comboboxModel
 
         // The propertyProvider has not loaded the setting when this components onComplete triggers. Populating the model
-        // is defered until propertyProvider signals "onIsValueUsedChanged". The defered upate is triggered with this function.
+        // is deferred until propertyProvider signals "onIsValueUsedChanged". The deferred update is triggered with this function.
         function updateModel()
         {
             clear()
@@ -68,7 +68,8 @@ Cura.ComboBox {
     {
         id: propertyProvider
         containerStackId: updateAllExtruders ? Cura.ExtruderManager.extruderIds[defaultExtruderIndex] : Cura.MachineManager.activeMachine.id
-        watchedProperties: ["value" , "options"]
+        removeUnusedValue: false
+        watchedProperties: ["value", "validationState",  "resolve", "options"]
     }
 
     Connections

resources/qml/Widgets/SingleSettingSlider.qml

@@ -34,7 +34,8 @@ UM.Slider
     {
         id: propertyProvider
         containerStackId: updateAllExtruders ? Cura.ExtruderManager.extruderIds[defaultExtruderIndex] : Cura.MachineManager.activeMachine.id
-        watchedProperties: ["value"]
+        watchedProperties: ["value", "validationState",  "resolve"]
+        removeUnusedValue: false
         storeIndex: 0
     }
 

resources/qml/Widgets/SingleSettingTextField.qml

@@ -53,6 +53,7 @@ UM.TextField
     {
         id: propertyProvider
         watchedProperties: ["value", "validationState",  "resolve"]
+        removeUnusedValue: false
         containerStackId: updateAllExtruders ? Cura.ExtruderManager.extruderIds[defaultExtruderIndex] : Cura.MachineManager.activeMachine.id
     }