icons: Fix background of svgs and png exports

icons/16x16/org.xfce.workspaces.svg

@@ -22,17 +22,17 @@
      objecttolerance="10"
      gridtolerance="10"
      guidetolerance="10"
-     inkscape:pageopacity="1"
+     inkscape:pageopacity="0"
      inkscape:pageshadow="2"
      inkscape:window-width="1920"
-     inkscape:window-height="1019"
+     inkscape:window-height="1027"
      id="namedview35"
      showgrid="true"
      inkscape:zoom="64"
-     inkscape:cx="11.374902"
-     inkscape:cy="4.2568941"
+     inkscape:cx="8.437402"
+     inkscape:cy="4.0693941"
      inkscape:window-x="0"
-     inkscape:window-y="0"
+     inkscape:window-y="29"
      inkscape:window-maximized="1"
      inkscape:current-layer="g3547"
      showguides="false"

icons/48x48/org.xfce.workspaces.svg

@@ -22,17 +22,17 @@
      objecttolerance="10"
      gridtolerance="10"
      guidetolerance="10"
-     inkscape:pageopacity="1"
+     inkscape:pageopacity="0"
      inkscape:pageshadow="2"
      inkscape:window-width="1920"
-     inkscape:window-height="1019"
+     inkscape:window-height="1027"
      id="namedview35"
      showgrid="true"
      inkscape:zoom="2"
-     inkscape:cx="127.8824"
-     inkscape:cy="30.830426"
+     inkscape:cx="33.8824"
+     inkscape:cy="24.830426"
      inkscape:window-x="0"
-     inkscape:window-y="0"
+     inkscape:window-y="29"
      inkscape:window-maximized="1"
      inkscape:current-layer="g3547"
      showguides="false"