Improve the SnapGrid editor icon

(cherry picked from commit e9f660c066f0841baad25d2170d978bd4d40e786)

editor/icons/icon_snap_grid.svg

@@ -1 +1 @@
-<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m3 0v3h-3v2h3v4h-3v2h3v3h2v-9h9v-2h-3v-3h-2v3h-4v-3zm4 13v2h2v-2zm6 0v2h2v-2z" fill="#e0e0e0"/><path d="m11 7a4 4 0 0 0 -4 4v2h2v-2a2 2 0 0 1 2-2 2 2 0 0 1 2 2v2h2v-2a4 4 0 0 0 -4-4z" fill="#fff" fill-opacity=".68627"/></svg>
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m2 0v2h-2v1h2v4h-2v1h2v4h-2v1h2v2h1v-2h3v-1h-3v-4h4l1-1v-4h4v3h1v-3h2v-1h-2v-2h-1v2h-4v-2h-1v2h-4v-2zm1 3h4v4h-4zm4 10v2h2v-2zm6 0v2h2v-2z" fill="#e0e0e0"/><path d="m11 7a4 4 0 0 0 -4 4v2h2v-2a2 2 0 0 1 2-2 2 2 0 0 1 2 2v2h2v-2a4 4 0 0 0 -4-4z" fill="#fff" fill-opacity=".68627"/></svg>