Docking: Fixed less of node size/pos caused by 1f2bdd37 (#2109)

imgui.cpp

@@ -10770,7 +10770,8 @@ ImGuiDockNode::ImGuiDockNode(ImGuiID id)
     LastFocusedNodeID = 0;
     SelectedTabID = 0;
     WantCloseTabID = 0;
-    AutorityForPos = AutorityForSize = AutorityForViewport = ImGuiDataAutority_Auto;
+    AutorityForPos = AutorityForSize = ImGuiDataAutority_DockNode;
+    AutorityForViewport = ImGuiDataAutority_Auto;
     IsVisible = true;
     IsFocused = IsCentralNode = IsHiddenTabBar = HasCloseButton = HasCollapseButton = false;
     WantCloseAll = WantLockSizeOnce = WantMouseMove = WantHiddenTabBarUpdate = WantHiddenTabBarToggle = false;
@@ -11257,12 +11258,14 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
             // after the dock host window, losing their top-most status.
             if (node->HostWindow->Appearing)
                 BringWindowToDisplayFront(node->HostWindow);
+
+            node->AutorityForPos = node->AutorityForSize = node->AutorityForViewport = ImGuiDataAutority_Auto;
         }
         else if (node->ParentNode)
         {
             node->HostWindow = host_window = node->ParentNode->HostWindow;
+            node->AutorityForPos = node->AutorityForSize = node->AutorityForViewport = ImGuiDataAutority_Auto;
         }
-        node->AutorityForPos = node->AutorityForSize = node->AutorityForViewport = ImGuiDataAutority_Auto;
         if (node->WantMouseMove && node->HostWindow)
             DockNodeStartMouseMovingWindow(node, node->HostWindow);
     }