implemented save on empty tag commit

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/accounting/add_entry.svelte

@@ -42,6 +42,7 @@
 	}
 
 	async function getAccountTags(text){
+		if (!text) return [];
 		var url = api(`accounting/${entry.account.id}/tags`)
 		return await getTerminal(text,url);
 	}
@@ -141,7 +142,7 @@
 	<Autocomplete bind:candidate={entry.purpose} getCandidates={getPurposes} />
 
 	<span>{t('tags')}</span>
-	<Tags getCandidates={getAccountTags} module={null} bind:tags={entry.tags} />
+	<Tags getCandidates={getAccountTags} module={null} bind:tags={entry.tags} onEmptyCommit={save} />
 
 	<span></span>
 	<span>

frontend/src/routes/accounting/transaction.svelte

@@ -21,6 +21,7 @@
 	}
 
 	async function getCandidates(key){
+		if (!key) return;
 		var url = api(`accounting/${account.id}/tags`)
 		var res = await post(url,key);
 		if (res.ok){

frontend/src/routes/tags/TagList.svelte

@@ -13,6 +13,7 @@
         id        = null,
         getCandidates = getCandidateTags,
         module,
+        onEmptyCommit = () => {},
         tags      = $bindable([]),
         user_list = [],
     } = $props();
@@ -89,7 +90,9 @@
     }
 
     async function onCommit(wrapped){
-        addTag(wrapped.display);
+        if (!wrapped.display) {
+            onEmptyCommit();
+        } else addTag(wrapped.display);
     }
 
     function onSelect(dummy){}