Fixing loading logo being displayed when nothing was loaded

maps/Floor0/floor0.json

@@ -278,7 +278,7 @@
                 {
                  "name":"exitUrl",
                  "type":"string",
-                 "value":"\/@\/tcm\/workadventure\/floor1"
+                 "value":"..\/Floor1\/floor1.json"
                 }],
          "type":"tilelayer",
          "visible":true,

maps/Floor1/floor1.json

@@ -83,9 +83,9 @@
          "opacity":1,
          "properties":[
                 {
-                 "name":"exitSceneUrl",
+                 "name":"exitUrl",
                  "type":"string",
-                 "value":"\/@\/tcm\/workadventure\/floor0#down-the-stairs"
+                 "value":"..\/Floor0\/floor0.json"
                 }],
          "type":"tilelayer",
          "visible":true,
@@ -264,7 +264,7 @@
  "nextobjectid":1,
  "orientation":"orthogonal",
  "renderorder":"right-down",
- "tiledversion":"1.4.2",
+ "tiledversion":"1.3.3",
  "tileheight":32,
  "tilesets":[
         {
@@ -1959,6 +1959,6 @@
         }],
  "tilewidth":32,
  "type":"map",
- "version":1.4,
+ "version":1.2,
  "width":46
 }