fix: Set use_db for historic analysis

closes #12390

freqtrade/rpc/rpc.py

@@ -1557,12 +1557,19 @@ class RPC:
         selected_cols: list[str] | None,
         live: bool,
     ) -> dict[str, Any]:
+        """
+        Analyzed dataframe in Dict form, with full history loading and strategy analysis.
+        Loads the full history from disk or exchange, and runs the strategy analysis on it.
+        Should only be used in webserver mode, as it can interfere with a running bot.
+        """
         timerange_parsed = TimeRange.parse_timerange(config.get("timerange"))
 
         from freqtrade.data.converter import trim_dataframe
         from freqtrade.data.dataprovider import DataProvider
+        from freqtrade.persistence.usedb_context import FtNoDBContext
         from freqtrade.resolvers.strategy_resolver import StrategyResolver
 
+        with FtNoDBContext():
             strategy_name = ""
             startup_candles = 0
             if config.get("strategy"):