found it

ReallifeGamemode.Client/util/animationSync.ts

@@ -105,12 +105,14 @@
             mp.players.exists(entity) && 0 !== entity.handle && entity.taskPlayAnim(animDict, animName, 8, 1, duration, parseInt(flag), 0, !1, !1, !1)
         });
 
+        if (!loop) {
             let a = setInterval(function () {
                 if (entity == mp.players.local) {
                     mp.events.callRemote("CLIENT:ClearAnimationData", entity);
                 }
                 clearInterval(a);
             }, duration);
+        }
     });
 
     mp.events.add("render", () => {