Mark new terrain tileset as terrain class.

Adventures in Lestoria/assets/Campaigns/Hub_v2.tmx

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.10" tiledversion="1.10.1" class="Map" orientation="orthogonal" renderorder="right-down" width="70" height="60" tilewidth="12" tileheight="12" infinite="0" nextlayerid="9" nextobjectid="2">
+<map version="1.10" tiledversion="1.10.1" class="Map" orientation="orthogonal" renderorder="right-down" width="70" height="60" tilewidth="12" tileheight="12" infinite="0" nextlayerid="9" nextobjectid="3">
  <properties>
   <property name="Backdrop" propertytype="Backdrop" value="forest"/>
   <property name="Background Music" propertytype="BGM" value="foresty_loop1"/>
@@ -433,5 +433,6 @@
    </properties>
    <point/>
   </object>
+  <object id="2" name="Player Spawn" type="PlayerSpawnLocation" x="373" y="384" width="24" height="24"/>
  </objectgroup>
 </map>

Adventures in Lestoria/assets/maps/Tilesheet_No_Shadow24x24as12x12.tsx

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<tileset version="1.10" tiledversion="1.10.1" name="Tilesheet_No_Shadow24x24as12x12" tilewidth="12" tileheight="12" tilecount="11648" columns="104">
+<tileset version="1.10" tiledversion="1.10.1" name="Tilesheet_No_Shadow24x24as12x12" class="Terrain" tilewidth="12" tileheight="12" tilecount="11648" columns="104">
  <image source="commercial_assets/Tilesheet_No_Shadow24x24.png" width="1248" height="1344"/>
 </tileset>