Internals: Separator: Simplify duplicated code.

imgui_widgets.cpp

@@ -1259,21 +1259,14 @@ void ImGui::SeparatorEx(ImGuiSeparatorFlags flags)
         // We don't provide our width to the layout so that it doesn't get feed back into AutoFit
         const ImRect bb(ImVec2(x1, window->DC.CursorPos.y), ImVec2(x2, window->DC.CursorPos.y + thickness_draw));
         ItemSize(ImVec2(0.0f, thickness_layout));
-        if (!ItemAdd(bb, 0))
-        {
-            if (columns)
+        const bool item_visible = ItemAdd(bb, 0);
+        if (item_visible)
         {
-                PopColumnsBackground();
-                columns->LineMinY = window->DC.CursorPos.y;
-            }
-            return;
-        }
-
             // Draw
             window->DrawList->AddLine(bb.Min, ImVec2(bb.Max.x, bb.Min.y), GetColorU32(ImGuiCol_Separator));
             if (g.LogEnabled)
                 LogRenderedText(&bb.Min, "--------------------------------");
-
+        }
         if (columns)
         {
             PopColumnsBackground();