Themes(advertising): add 'support=wall' to presets

assets/layers/advertising/advertising.json

@@ -527,7 +527,7 @@
     },
     {
       "tags": [
-        "advertising=billboard"
+        "advertising=billboard","support=wall"
       ],
       "snapToLayer": [
         "walls_and_buildings"
@@ -585,7 +585,7 @@
     },
     {
       "tags": [
-        "advertising=poster_box"
+        "advertising=poster_box","support=wall"
       ],
       "title": {
         "en": "a poster box mounted on a wall",
@@ -754,7 +754,7 @@
     },
     {
       "tags": [
-        "advertising=screen"
+        "advertising=screen","support=wall"
       ],
       "title": {
         "en": "a screen mounted on a wall",
@@ -805,7 +805,7 @@
     },
     {
       "tags": [
-        "advertising=tarp"
+        "advertising=tarp","support=wall"
       ],
       "title": {
         "en": "a tarp",