Update colors

gnome-shell/assets/checkbox-off.svg

@@ -155,8 +155,8 @@
      inkscape:pageopacity="1"
      inkscape:pageshadow="2"
      inkscape:zoom="8.4374996"
-     inkscape:cx="-10.071158"
-     inkscape:cy="-0.65027552"
+     inkscape:cx="6.6898922"
+     inkscape:cy="6.0541446"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="true"
@@ -203,7 +203,7 @@
        x="342.29913"
        y="521.58435" />
     <path
-       style="display:inline;opacity:1;fill:#485563;fill-opacity:1;stroke:none;stroke-opacity:1;enable-background:new"
+       style="display:inline;opacity:1;fill:#5d5e60;fill-opacity:0.94680852;stroke:none;stroke-opacity:1;enable-background:new"
        d="M 4.5 1 C 2.007 1 0 3.007 0 5.5 L 0 17.5 C 0 19.993 2.007 22 4.5 22 L 16.5 22 C 18.993 22 21 19.993 21 17.5 L 21 5.5 C 21 3.007 18.993 1 16.5 1 L 4.5 1 z M 5 3 L 16 3 C 17.662 3 19 4.338 19 6 L 19 17 C 19 18.662 17.662 20 16 20 L 5 20 C 3.338 20 2 18.662 2 17 L 2 6 C 2 4.338 3.338 3 5 3 z "
        transform="translate(342.5,521.36218)"
        id="path4731" />