Allow to select custom profiles based-on not supported

CURA-5285

resources/qml/Menus/ProfileMenu.qml

@@ -51,8 +51,7 @@ Menu
         MenuItem
         {
             text: model.name
-            checkable: model.available
-            enabled: model.available
+            checkable: true
             checked: Cura.MachineManager.activeQualityOrQualityChangesName == model.name
             exclusiveGroup: group
             onTriggered: Cura.MachineManager.setQualityChangesGroup(model.quality_changes_group)

resources/qml/Preferences/ProfilesPage.qml

@@ -71,7 +71,7 @@ Item
         {
             text: catalog.i18nc("@action:button", "Activate")
             iconName: "list-activate"
-            enabled: !isCurrentItemActivated && base.currentItem.quality_group != undefined
+            enabled: !isCurrentItemActivated
             onClicked: {
                 if (base.currentItem.is_read_only) {
                     Cura.MachineManager.setQualityGroup(base.currentItem.quality_group);
@@ -101,7 +101,7 @@ Item
         {
             text: catalog.i18nc("@label", "Duplicate")
             iconName: "list-add"
-            enabled: !base.canCreateProfile && base.currentItem.quality_group != undefined
+            enabled: !base.canCreateProfile
             visible: !base.canCreateProfile
 
             onClicked: {