fix: can't change default size of text fields

docs/changelog/7.x.x.txt

@@ -1,4 +1,5 @@
 7.0.7
+ - fix: can't change default size of text fields (midellaq)
  - fix: sqlform trunctate search results doesn't work (Martin Kamerbeek /
    Procolix)
  - fixed some of bugs in the sqlform concerning file uploads, cross table

lib/WebGUI/Form/DynamicField.pm

@@ -134,7 +134,7 @@ sub new {
 		$formObj->correctOptions($param->{possibleValues});
 	}
 	elsif ($size) {
-		$formObj->{size} = $size;
+		$formObj->set('size',$size);
 	}
         return $formObj;
 }