Add 'add new note' functionality, fix bug where 'test'-theme comes up when deleting images

assets/layers/note/note.json

@@ -3,7 +3,7 @@
   "name": {
     "en": "OpenStreetMap notes"
   },
-  "description": "This layer shows notes on OpenStreetMap.",
+  "description": "This layer shows notes on OpenStreetMap. Having this layer in your theme will trigger the 'add new note' functionality in the 'addNewPoint'-popup (or if your theme has no presets, it'll enable adding notes)",
   "source": {
     "osmTags": "id~*",
     "geoJson": "https://api.openstreetmap.org/api/0.6/notes.json?closed=7&bbox={x_min},{y_min},{x_max},{y_max}",

assets/layers/note_import/note_import.json

@@ -28,10 +28,12 @@
   ],
   "isShown": {
     "render": "yes",
-    "mappings": [{
-      "if": "_trigger_index=",
-      "then": "no"
-    }]
+    "mappings": [
+      {
+        "if": "_trigger_index=",
+        "then": "no"
+      }
+    ]
   },
   "titleIcons": [
     {
@@ -59,7 +61,6 @@
       "id": "close_note_mapped",
       "render": "{close_note(Already mapped, ./assets/svg/checkmark.svg, id, Already mapped)}"
     },
-  
     {
       "id": "comment",
       "render": "{add_note_comment()}"