chore: enable trace pagination support by default (#7558)

this feature flag has been enabled in prod for a very long time at this
point. (note this doesnt mean pagination is always applied, it just
means pagination is supported if the user explicitly passes a limit)

Author: Kyle Mumma

snuba/settings/__init__.py

@@ -456,7 +456,7 @@ class RedisClusters(TypedDict):
 SNQL_DISABLED_DATASETS: set[str] = set([])
 
 ENDPOINT_GET_TRACE_PAGINATION_MAX_ITEMS: int = 0  # 0 means no limit
-ENABLE_TRACE_PAGINATION_DEFAULT = 0
+ENABLE_TRACE_PAGINATION_DEFAULT = 1
 
 
 def _load_settings(obj: MutableMapping[str, Any] = locals()) -> None: