Tables: fixed initial auto-sizing issue with synched-instances. (#8045, #7218)

docs/CHANGELOG.txt

@@ -60,6 +60,7 @@ Other changes:
 - IO: added 'void* platform_io.Renderer_RenderState' which is set during the
   ImGui_ImplXXXX_RenderDrawData() of standard backend to expose selected render
   state to draw callbacks. (#6969, #5834, #7468, #3590)
+- Tables: fixed initial auto-sizing issue with synched-instances. (#8045, #7218)
 - Backends: DX11, DX12, Vulkan, WGPU: expose selected state in ImGui_ImplXXXX_RenderState.
   structure during render loop. (#6969, #5834, #7468, #3590)
 - Backends: DX9, DX10, DX11, DX12, OpenGL, Vulkan, WGPU: Changed default texture sampler

imgui.h

@@ -29,7 +29,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
 #define IMGUI_VERSION       "1.91.4 WIP"
-#define IMGUI_VERSION_NUM   19131
+#define IMGUI_VERSION_NUM   19132
 #define IMGUI_HAS_TABLE
 
 /*

imgui_tables.cpp

@@ -1160,7 +1160,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
         }
 
         // Don't decrement auto-fit counters until container window got a chance to submit its items
-        if (table->HostSkipItems == false)
+        if (table->HostSkipItems == false && table->InstanceCurrent == 0)
         {
             column->AutoFitQueue >>= 1;
             column->CannotSkipItemsQueue >>= 1;