perf: Exclude vector-sync status polling from distributed tracing

Skip tracing for /app/vector-sync/status to reduce noise from HTMX polling.
Metrics collection continues for this endpoint.

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

nextcloud_mcp_server/search/fuzzy.py

@@ -85,7 +85,7 @@ class FuzzySearchAlgorithm(SearchAlgorithm):
 
         # Scroll through Qdrant to get all matching documents
         qdrant_client = await get_qdrant_client()
-        collection = settings.qdrant_collection
+        collection = settings.get_collection_name()
 
         all_points = []
         offset = None