Assembly: prevent assembly collapse when editing sketch. (#26956)

* Gui: View provider: isAutoCollapseOnDeactivation

* Update ViewProvider.h

* Update ActiveObjectList.cpp

* Update ViewProviderAssembly.cpp

* Update ActiveObjectList.cpp

src/Mod/Assembly/Gui/ViewProviderAssembly.cpp

@@ -152,6 +152,7 @@ void ViewProviderAssembly::setupContextMenu(QMenu* menu, QObject* receiver, cons
 bool ViewProviderAssembly::doubleClicked()
 {
     if (isInEditMode()) {
+        autoCollapseOnDeactivation = true;
         getDocument()->resetEdit();
     }
     else {
@@ -280,6 +281,7 @@ bool ViewProviderAssembly::setEdit(int mode)
     if (mode == ViewProvider::Default) {
         // Ask that this edit mode be restored. For example if it is quit to edit a sketch.
         getDocument()->setEditRestore(true);
+        autoCollapseOnDeactivation = false;
 
         // Set the part as 'Activated' ie bold in the tree.
         Gui::Command::doCommand(