Studio: some fixes, show user id when running localhost

src/UI/Studio/EditItemButton.svelte

@@ -12,10 +12,11 @@
     export let osmConnection: OsmConnection
 
     let displayName = UIEventSource.FromPromise(
-    osmConnection.getInformationAboutUser(info.owner)
+        osmConnection.getInformationAboutUser(info.owner),
     ).mapD((response) => response.display_name)
 
     let selfId = osmConnection.userDetails.mapD((ud) => ud.uid)
+
     function fetchIconDescription(layerId): any {
         if (category === "themes") {
             return AllKnownLayouts.allKnownLayouts.get(layerId).icon
@@ -32,6 +33,14 @@
   </div>
   <b class="px-1">{info.id}</b>
   {#if info.owner && info.owner !== $selfId}
-    (made by {$displayName ?? info.owner})
+    {#if $displayName}
+      (made by {$displayName}
+      {#if window.location.host.startsWith("127.0.0.1")}
+        - {info.owner}
+      {/if}
+      )
+    {:else }
+      ({info.owner})
+    {/if}
   {/if}
 </NextButton>

src/UI/Studio/EditLayerState.ts

@@ -299,6 +299,9 @@ export default class EditLayerState extends EditJsonState<LayerConfigJson> {
 
 
         function cleanArray(data: object, key: string): boolean{
+            if(!data){
+                return false
+            }
             if (data[key]) {
                 // A bit of cleanup
                 const lBefore = data[key].length
@@ -312,7 +315,18 @@ export default class EditLayerState extends EditJsonState<LayerConfigJson> {
         }
 
         this.configuration.addCallbackAndRunD((layer) => {
-            const changed = cleanArray(layer, "tagRenderings") || cleanArray(layer, "pointRenderings")
+            let changed = cleanArray(layer, "tagRenderings") || cleanArray(layer, "pointRenderings")
+            for (const tr of layer.tagRenderings ?? []) {
+                if(typeof tr === "string"){
+                    continue
+                }
+
+                const qtr = (<QuestionableTagRenderingConfigJson> tr)
+                if(qtr.freeform && Object.keys(qtr.freeform ).length === 0){
+                    delete qtr.freeform
+                    changed = true
+                }
+            }
             if(changed){
                 this.configuration.ping()
             }