Don't arrange locked objects when arrangeAll is called

CURA-7440

cura/Arranging/ArrangeObjectsJob.py

@@ -27,7 +27,7 @@ class ArrangeObjectsJob(Job):
                                  title = i18n_catalog.i18nc("@info:title", "Finding Location"))
         status_message.show()
 
-        found_solution_for_all = arrange(self._nodes, Application.getInstance().getBuildVolume())
+        found_solution_for_all = arrange(self._nodes, Application.getInstance().getBuildVolume(), self._fixed_nodes)
 
         status_message.hide()
         if not found_solution_for_all:

cura/CuraApplication.py

@@ -36,6 +36,7 @@ from UM.Scene.Camera import Camera
 from UM.Scene.GroupDecorator import GroupDecorator
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
 from UM.Scene.SceneNode import SceneNode
+from UM.Scene.SceneNodeSettings import SceneNodeSettings
 from UM.Scene.Selection import Selection
 from UM.Scene.ToolHandle import ToolHandle
 from UM.Settings.ContainerRegistry import ContainerRegistry
@@ -43,6 +44,7 @@ from UM.Settings.InstanceContainer import InstanceContainer
 from UM.Settings.SettingDefinition import SettingDefinition, DefinitionPropertyType
 from UM.Settings.SettingFunction import SettingFunction
 from UM.Settings.Validator import Validator
+from UM.Util import parseBool
 from UM.View.SelectionPass import SelectionPass  # For typing.
 from UM.Workspace.WorkspaceReader import WorkspaceReader
 from UM.i18n import i18nCatalog
@@ -1381,6 +1383,7 @@ class CuraApplication(QtApplication):
     def arrangeAll(self) -> None:
         nodes_to_arrange = []
         active_build_plate = self.getMultiBuildPlateModel().activeBuildPlate
+        fixed_nodes = []
         for node in DepthFirstIterator(self.getController().getScene().getRoot()):
             if not isinstance(node, SceneNode):
                 continue
@@ -1402,8 +1405,12 @@ class CuraApplication(QtApplication):
                 # Skip nodes that are too big
                 bounding_box = node.getBoundingBox()
                 if bounding_box is None or bounding_box.width < self._volume.getBoundingBox().width or bounding_box.depth < self._volume.getBoundingBox().depth:
-                    nodes_to_arrange.append(node)
-        self.arrange(nodes_to_arrange, fixed_nodes = [])
+                    # Arrange only the unlocked nodes and keep the locked ones in place
+                    if not parseBool(node.getSetting(SceneNodeSettings.LockPosition)):
+                        nodes_to_arrange.append(node)
+                    else:
+                        fixed_nodes.append(node)
+        self.arrange(nodes_to_arrange, fixed_nodes = fixed_nodes)
 
     def arrange(self, nodes: List[SceneNode], fixed_nodes: List[SceneNode]) -> None:
         """Arrange a set of nodes given a set of fixed nodes