GODT-2229: Allow changing cache folder to a non-empty folder.

internal/bridge/bridge.go

@@ -221,8 +221,14 @@ func newBridge(
 		return nil, fmt.Errorf("failed to get Gluon directory: %w", err)
 	}
 
+	gluonDBDir, err := locator.ProvideGluonDatabasePath()
+	if err != nil {
+		return nil, fmt.Errorf("failed to get Gluon Database directory: %w", err)
+	}
+
 	imapServer, err := newIMAPServer(
 		gluonDir,
+		gluonDBDir,
 		curVersion,
 		tlsConfig,
 		reporter,