feat-fix (backend): insert userID on SessionStart (2)

backend/pkg/db/cache/messages_web.go

@@ -30,6 +30,7 @@ func (c *PGCache) InsertWebSessionStart(sessionID uint64, s *SessionStart) error
 		UserDeviceType: s.UserDeviceType,
 		UserDeviceMemorySize: s.UserDeviceMemorySize,
 		UserDeviceHeapSize: s.UserDeviceHeapSize,
+		UserID: s.UserID,
 	}
 	if err := c.Conn.InsertSessionStart(sessionID, c.sessions[ sessionID ]); err != nil { 
 		c.sessions[ sessionID ] = nil

backend/pkg/db/types/session.go

@@ -16,7 +16,7 @@ type Session struct {
 	PagesCount int
 	EventsCount int
 	ErrorsCount int
-	UserID *string
+	UserID string // pointer??
 	UserAnonymousID *string
 	Metadata1          *string 
 	Metadata2          *string