TreeNode() fixed alignment of collapse arrow to it matches bullet (broken in 4006fb77bc)

imgui.cpp

@@ -5593,7 +5593,7 @@ bool ImGui::CollapsingHeader(const char* label, const char* str_id, bool display
         bb.Max.x += (float)(int)(window->WindowPadding.x*0.5f) - 1;
     }
 
-    const float collapser_width = g.FontSize + padding.x*2;
+    const float collapser_width = g.FontSize + (display_frame ? padding.x*2 : padding.x);
     const float text_width = collapser_width + (label_size.x > 0.0f ? label_size.x + padding.x*2 : 0.0f);   // Include collapser
     ItemSize(ImVec2(text_width, frame_height), text_base_offset_y);
 

imgui_demo.cpp

@@ -223,7 +223,8 @@ void ImGui::ShowTestWindow(bool* p_opened)
 
         if (ImGui::TreeNode("Fonts", "Fonts (%d)", ImGui::GetIO().Fonts->Fonts.Size))
         {
-            ImGui::TextWrapped("Tip: Load fonts with io.Fonts->AddFontFromFileTTF().");
+            ImGui::SameLine();
+            ShowHelpMarker("Tip: Load fonts with io.Fonts->AddFontFromFileTTF()\nbefore calling io.Fonts->GetTex* functions.");
             ImFontAtlas* atlas = ImGui::GetIO().Fonts;
             if (ImGui::TreeNode("Atlas texture", "Atlas texture (%dx%d pixels)", atlas->TexWidth, atlas->TexHeight))
             {