fix: cache tenant routing on message hot path

server/store/config_cache.go

@@ -7,6 +7,7 @@ import (
 	"sync"
 	"time"
 
+	adapter "github.com/tinode/chat/server/db"
 	"github.com/tinode/chat/server/store/types"
 )
 
@@ -152,6 +153,9 @@ func InvalidateTenantConfigCache(code string, id types.TenantID) {
 		tenantByIDCache.clear()
 		realNamePolicyCache.clear()
 	}
+	if invalidator, ok := adp.(adapter.TenantRouteCacheInvalidator); ok {
+		invalidator.InvalidateTenantRoute(id)
+	}
 }
 
 // InvalidateRegistrationConfigCache clears cached global registration config.