[#3000] disallowed relations to views from non-view collections

ui/src/components/collections/schema/SchemaFieldRelation.svelte

@@ -31,6 +31,8 @@
     let isSingle = field.options?.maxSelect == 1;
     let oldIsSingle = isSingle;
 
+    $: selectCollections = $collections.filter((c) => c.type != "view");
+
     // load defaults
     $: if (CommonHelper.isEmpty(field.options)) {
         loadDefaults();
@@ -101,11 +103,11 @@
         >
             <ObjectSelect
                 id={uniqueId}
-                searchable={$collections.length > 5}
+                searchable={selectCollections.length > 5}
                 selectPlaceholder={"Select collection *"}
                 noOptionsText="No collections found"
                 selectionKey="id"
-                items={$collections}
+                items={selectCollections}
                 readonly={!interactive || field.id}
                 bind:keyOfSelected={field.options.collectionId}
             >
@@ -224,7 +226,7 @@
 <CollectionUpsertPanel
     bind:this={upsertPanel}
     on:save={(e) => {
-        if (e?.detail?.collection?.id) {
+        if (e?.detail?.collection?.id && e.detail.collection.type != "view") {
             field.options.collectionId = e.detail.collection.id;
         }
     }}

ui/src/components/records/fields/RelationField.svelte

@@ -27,12 +27,13 @@
     }
 
     $: if (needLoad(list, value)) {
+        isLoading = true;
         // Move the load function to the end of the execution queue.
         //
         // It helps reducing the layout shifts (the relation field has fixed height skeleton loader)
         // and allows the other form fields to load sooner.
         clearTimeout(loadTimeoutId);
-        loadTimeoutId = setTimeout(load, 0);
+        loadTimeoutId = setTimeout(load, 50);
     }
 
     function needLoad() {
@@ -91,6 +92,10 @@
             }
 
             list = list;
+
+            // ensure that any record that was deleted during the request
+            // is also removed from the relation value
+            listToValue();
         } catch (err) {
             ApiClient.error(err);
         }