Update new_editor inspector layout and host rendering

new_editor/include/XCEditor/Fields/UIEditorPropertyGrid.h

@@ -198,6 +198,7 @@ struct UIEditorPropertyGridMetrics {
     float horizontalPadding = 12.0f;
     float sectionHeaderHorizontalPadding = 6.0f;
     float controlColumnStart = 236.0f;
+    float sharedControlColumnMinWidth = 0.0f;
     float labelControlGap = 20.0f;
     float disclosureExtent = 12.0f;
     float disclosureLabelGap = 8.0f;