Fix for images in Firefox

gulpfile.js

@@ -87,7 +87,8 @@ elixir(function(mix) {
     mix.scripts([
         'public/js/pdf_viewer.js',
         'public/js/compatibility.js',
-        'public/js/pdfmake.min.js',
+        //'public/js/pdfmake.min.js',
+        'public/js/pdfmake.js',
         'public/js/vfs.js'
     ], 'public/pdf.built.js');
 

public/js/pdfmake.js

@@ -32501,10 +32501,11 @@
 
 	var fnTyped = {
 	  arraySet: function (dest, src, src_offs, len, dest_offs) {
-	    if (src.subarray && dest.subarray) {
+        // https://github.com/bpampuch/pdfmake/issues/577#issuecomment-238223949
-	      dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
+	    //if (src.subarray && dest.subarray) {
-	      return;
+	    //  dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
-	    }
+	    //  return;
+	    //}
 	    // Fallback to ordinary array
 	    for(var i=0; i<len; i++) {
 	      dest[dest_offs + i] = src[src_offs + i];