Change icon for dwg files, use cube. Fix #1230

Author: cdujeu

core/src/conf/extensions.conf.php

@@ -99,5 +99,5 @@
     array("svg","image.png", "file-image", "SVG"),
     array("psd","image.png", "file-image", "Photoshop"),
     array("ers","horo.png",  "timer", "Timestamp"),
-    array("dwg","dwg.png", "drowing-box", "DWG"),
+    array("dwg","dwg.png", "cube-outline", "DWG"),
 );

core/src/plugins/gui.ajax/res/themes/orbit/css/fonts/mdi-subset.css

@@ -273,4 +273,8 @@
 
 .mdi-pencil-box-outline:before {
     content: "\f4dc";
+}
+
+.mdi-cube-outline:before {
+    content: "\f29c";
 }