Improve error reporting consistency and ensure SEMI_STATIC_URL_DATA_CACHE caches 400-series responses from the server so we don't keep requesting summit/park/bunker data for a reference that the user typod and doesn't actually exist.

spotproviders/http_spot_provider.py

@@ -54,7 +54,7 @@ class HTTPSpotProvider(SpotProvider):
                 logging.debug("Received data from " + self.name + " spot API.")
             else:
                 self.status = "Error"
-                logging.warning(f"{self.name} spot API returned HTTP {http_response.status_code}.")
+                logging.warning(f"HTTP {http_response.status_code} when calling {self.name} spot API.")
 
         except Exception:
             self.status = "Error"