Revert "Update new_editor inspector layout and host rendering"

This reverts commit 5d81a64ef3.

new_editor/include/XCEditor/Shell/UIEditorShellCompose.h

@@ -23,12 +23,12 @@ struct UIEditorShellToolbarLayout {
 };
 
 struct UIEditorShellToolbarMetrics {
-    float barHeight = 30.0f;
+    float barHeight = 24.0f;
     float groupPaddingX = 6.0f;
     float groupPaddingY = 2.0f;
-    float buttonWidth = 20.0f;
-    float buttonHeight = 20.0f;
-    float buttonGap = 6.0f;
+    float buttonWidth = 18.0f;
+    float buttonHeight = 16.0f;
+    float buttonGap = 4.0f;
     float groupCornerRounding = 0.0f;
     float buttonCornerRounding = 0.0f;
     float borderThickness = 1.0f;