refactored more error code

frontend/src/routes/time/Index.svelte

@@ -2,6 +2,7 @@
     import { onMount } from 'svelte';
     import { useTinyRouter } from 'svelte-tiny-router';
     import { api }       from '../../urls.svelte.js';
+    import { error, yikes }  from '../../warn.svelte';
     import { t }         from '../../translations.svelte.js';
     import { timetrack } from '../../user.svelte.js';
     import { display }   from '../../time.svelte.js';
@@ -10,7 +11,6 @@
     import TimeEditor from '../../Components/TimeRecordEditor.svelte';
 
     let docLinks = $state(null);
-    let error = $state(null);
     let router = useTinyRouter();
     let times = $state(null);
     let tasks = {};
@@ -38,7 +38,7 @@
             const track = await resp.json();
             timetrack.running = track;
         } else {
-            error = await resp.text();
+            error(resp);
         }
     }
 
@@ -87,13 +87,13 @@
             body        : `${id1}+${id2}`
         });
         if (res.ok){
-            error = null;
+            yikes();
             let json = await res.json();
             delete times[id1];
             delete times[id2];
             times[json.id] = json;
         } else {
-            error = await res.text();
+            error(res);
         }
         return false;
     }
@@ -108,7 +108,7 @@
             projects = json.projects;
             docLinks = json.documents;
         } else {
-            error = await resp.text();
+            error(resp);
         }
     }
 
@@ -132,9 +132,9 @@
         });
         if (res.ok){
             delete times[time_id];
-            error = false;
+            yikes();
         } else {
-            error = await res.text();
+            error(res);
         }
     }
 
@@ -178,10 +178,10 @@
             let id = json.id;
             for (let key of Object.keys(json)) times[id][key] = json[key];
             detail = null;
-            error = null;
+            yikes();
             return true;
         } else {
-            error = await res.text();
+            error(res);
             return false;
         }
     }
@@ -194,9 +194,6 @@
 </svelte:head>
 
 <h1>{t('timetracking')}</h1>
-{#if error}
-<span class="error">{error}</span>
-{/if}
 {#if times}
 {#if selectionSum}
 <div class="timetracks sum">