feature(usersettings): Add option to show all questions at once

assets/layers/usersettings/usersettings.json

@@ -67,6 +67,26 @@
         }
       ]
     },
+    {
+      "id": "all-questions-at-once",
+      "question": {
+        "en": "Should questions for unknown data fields appear one-by-one or together?"
+      },
+      "mappings": [
+        {
+          "if": "mapcomplete-show-all-questions=true",
+          "then": {
+            "en": "Show all questions in the infobox together"
+          }
+        },
+        {
+          "if": "mapcomplete-show-all-questions=false",
+          "then": {
+            "en": "Show questions one-by-one"
+          }
+        }
+      ]
+    },
     {
       "id": "translations-title",
       "group": "translations",
@@ -297,4 +317,4 @@
     }
   ],
   "mapRendering": null
-}
+}