changes in service map widget: always show legend and fix visual problem

pandora_console/include/styles/pandora.css

@@ -3000,7 +3000,6 @@ div.nodata_container {
 /* service map */
 #container_servicemap_legend {
   position: absolute;
-  width: 200px;
   background: #fff;
   margin-top: 10px;
   right: 2px;
@@ -3014,10 +3013,6 @@ div.nodata_container {
   text-align: left;
 }
 
-.legend_servicemap_item {
-  display: none;
-}
-
 /* agent modules*/
 .legend_square {
   width: 20px;