fix: important notes dashboard does not break when notes without warn…

…ing level exist

src/app/child-dev-project/notes/dashboard-widgets/important-notes/important-notes.component.ts

@@ -48,7 +48,7 @@ export class ImportantNotesComponent
     this.notes.pipe(first()).subscribe(() => (this.loading = false));
     this.notes.pipe(untilDestroyed(this)).subscribe((next) => {
       this.notesDataSource.data = next
-        .filter((note) => this.noteIsRelevant(note))
+        .filter((note) => note.warningLevel && this.noteIsRelevant(note))
         .sort((a, b) => b.warningLevel._ordinal - a.warningLevel._ordinal);
     });
   }