fix(webui): 🐛 add placeholder to indicate url pasting in entitylist

webui/src/components/widgets/EntityList.svelte

@@ -216,6 +216,7 @@
         {#if adding}
           <Selector
             bind:this={addSelector}
+            placeholder={$i18n.t("Search database or paste an URL")}
             type="value"
             valueTypes={["Address"]}
             on:input={addEntity}