Misc: rename extraneous parenthesizes from return statements.

imgui_tables.cpp

@@ -2458,6 +2458,11 @@ void ImGui::TableUpdateColumnsWeightFromWidth(ImGuiTable* table)
 // - TableDrawBorders() [Internal]
 //-------------------------------------------------------------------------
 
+
+// FIXME: This could be abstracted and merged with PushColumnsBackground(), by creating a generic struct
+// with storage for backup cliprect + backup channel + storage for splitter pointer, new clip rect.
+// This would slightly simplify caller code.
+
 // Bg2 is used by Selectable (and possibly other widgets) to render to the background.
 // Unlike our Bg0/1 channel which we uses for RowBg/CellBg/Borders and where we guarantee all shapes to be CPU-clipped, the Bg2 channel being widgets-facing will rely on regular ClipRect.
 void ImGui::TablePushBackgroundChannel()