implemented bugfix: selecting times by project id broke layout

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

frontend/src/routes/time/Index.svelte

@@ -20,7 +20,7 @@
     let projects = {};
     let project_filter = $state(null);
     if (router.hasQueryParam('project')) project_filter = router.getQueryParam('project');
-    let sortedTimes = $derived.by(() => Object.values(times).map(time => ({
+    let sortedTimes = $derived.by(() => Object.values(times).filter(match_prj_filter).map(time => ({
       ...time,
       start: display(time.start_time),
       end: display(time.end_time),
@@ -52,6 +52,7 @@
     }
 
     function calcYearMap(){
+        console.log('calcYearMap called');
         let result = {
             months : {},
             years  : {}
@@ -123,7 +124,7 @@
     function match_prj_filter(time){
         if (!project_filter) return true;
         for (var tid of time.task_ids){
-            if (project_filter == tasks[tid].project_id) return true;
+            if (tasks[tid] && project_filter == tasks[tid].project_id) return true;
         }
         return false;
     }
@@ -258,7 +259,6 @@
     </thead>
     <tbody>
         {#each sortedTimes as time,line}
-        {#if match_prj_filter(time)}
         <tr class={selected[time.id]?'selected':''}>
             {#if timeMap.years[line]}
             <td class="year" rowspan={timeMap.years[line]} onclick={e => toggleRange(time.start.substring(0,4))} title={time.start.substring(0,4)} >
@@ -321,7 +321,6 @@
             </td>
             {/if}
         </tr>
-        {/if}
         {/each}
     </tbody>
 </table>