add window drag space placeholders that won't trigger urlbar

chrome/click_selected_tab_to_focus_urlbar.css

@@ -33,6 +33,7 @@ See the above repository for updates as well as full license text. */
   height: calc(var(--tab-min-height) + 2*var(--tab-block-margin));
   content: "";
 }
+:root[sizemode="normal"]:not([customizing]) #urlbar-input-container::before{ left: 40px; width: calc(100vw - 138px -80px) }
 
 #urlbar-input-container:focus-within::before{ display: none !important; }