Assembly: Fix "deactivated by activating a App::Part, assembly stay in edit"

Fix "Activating a body in a part in an assembly deactivates the assembly and activate the part"
Fix "A manually deactivated assembly is still restoring later"

src/Gui/ActiveObjectList.cpp

@@ -187,6 +187,9 @@ void Gui::ActiveObjectList::setObject(
     }
 
     if (!obj) {
+        if (_Doc) {
+            _Doc->signalActivatedVP(nullptr, name);
+        }
         return;
     }
 
@@ -202,6 +205,11 @@ void Gui::ActiveObjectList::setObject(
 
     _ObjectMap[name] = info;
     setHighlight(info, mode, true);
+
+    auto vp = freecad_cast<ViewProviderDocumentObject*>(Application::Instance->getViewProvider(obj));
+    if (vp) {
+        vp->getDocument()->signalActivatedVP(vp, name);
+    }
 }
 
 bool Gui::ActiveObjectList::hasObject(const char* name) const