feat: saved board views and richer board filters

The board now filters by text, type, priority and unassigned tickets as
well. Any combination can be saved as a named view, private or shared with
the project, and opened again with one click.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/web/tracker/infrastructure/src/lib/adapters/graphql-issues.gateway.ts

@@ -52,6 +52,13 @@ export class GraphqlIssuesGateway extends IssuesGateway {
         releaseId: filter.releaseId ?? null,
         assigneeId: filter.assigneeId ?? null,
         area: filter.area ?? null,
+        types: filter.types?.length ? filter.types : null,
+        priorities: filter.priorities?.length
+          ? (filter.priorities as never)
+          : null,
+        labels: filter.labels?.length ? filter.labels : null,
+        search: filter.search?.trim() || null,
+        unassigned: filter.unassigned ?? null,
       })
       .pipe(
         map((d) =>