Add missing icons

src/vs/workbench/browser/parts/editor/media/close-all-dark.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M8.62132 8.08578L7.91421 7.37868L6.5 8.79289L5.08579 7.37868L4.37868 8.08578L5.79289 9.5L4.37868 10.9142L5.08579 11.6213L6.5 10.2071L7.91421 11.6213L8.62132 10.9142L7.20711 9.5L8.62132 8.08578Z" fill="#C5C5C5"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M5 3L6 2H13L14 3V10L13 11H11V13L10 14H3L2 13V6L3 5H5V3ZM6 5H10L11 6V10H13V3H6V5ZM10 6H3V13H10V6Z" fill="#C5C5C5"/>
+</svg>

src/vs/workbench/browser/parts/editor/media/close-all-light.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M8.62132 8.08578L7.91421 7.37868L6.5 8.79289L5.08579 7.37868L4.37868 8.08578L5.79289 9.5L4.37868 10.9142L5.08579 11.6213L6.5 10.2071L7.91421 11.6213L8.62132 10.9142L7.20711 9.5L8.62132 8.08578Z" fill="#424242"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M5 3L6 2H13L14 3V10L13 11H11V13L10 14H3L2 13V6L3 5H5V3ZM6 5H10L11 6V10H13V3H6V5ZM10 6H3V13H10V6Z" fill="#424242"/>
+</svg>