fix(views): trim search input in assignee and filter pickers

Leading spaces in search queries caused `.includes()` to fail because
names don't contain leading whitespace. Apply `.trim()` before
`.toLowerCase()` in assignee-picker, actor filter, and project filter.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/views/issues/components/issues-header.tsx

@@ -173,7 +173,7 @@ function ActorSubContent({
   const wsId = useWorkspaceId();
   const { data: members = [] } = useQuery(memberListOptions(wsId));
   const { data: agents = [] } = useQuery(agentListOptions(wsId));
-  const query = search.toLowerCase();
+  const query = search.trim().toLowerCase();
   const filteredMembers = members.filter((m) =>
     m.name.toLowerCase().includes(query),
   );
@@ -306,7 +306,7 @@ function ProjectSubContent({
   const [search, setSearch] = useState("");
   const wsId = useWorkspaceId();
   const { data: projects = [] } = useQuery(projectListOptions(wsId));
-  const query = search.toLowerCase();
+  const query = search.trim().toLowerCase();
   const filtered = projects.filter((p) =>
     p.title.toLowerCase().includes(query),
   );

packages/views/issues/components/pickers/assignee-picker.tsx

@@ -67,7 +67,7 @@ export function AssigneePicker({
 
   const getFreq = (type: string, id: string) => freqMap.get(`${type}:${id}`) ?? 0;
 
-  const query = filter.toLowerCase();
+  const query = filter.trim().toLowerCase();
   const filteredMembers = members
     .filter((m) => m.name.toLowerCase().includes(query))
     .sort((a, b) => getFreq("member", b.user_id) - getFreq("member", a.user_id));