Fix rockets not boosting without ElytraFly being enabled

Author: Avanatiker

common/src/main/java/com/lambda/mixin/entity/FireworkRocketEntityMixin.java

@@ -18,7 +18,14 @@ public class FireworkRocketEntityMixin {
             )
     )
     private void redirectSetVelocity(LivingEntity shooter, Vec3d vec3d) {
-        if (!ElytraFly.getDoBoost()) return;
+        if (!ElytraFly.getDoBoost()) {
+            shooter.setVelocity(vec3d.add(
+                    vec3d.x * 0.1 + (vec3d.x * 1.5 - vec3d.x) * 0.5,
+                    vec3d.y * 0.1 + (vec3d.y * 1.5 - vec3d.y) * 0.5,
+                    vec3d.z * 0.1 + (vec3d.z * 1.5 - vec3d.z) * 0.5
+            ));
+            return;
+        }
         ElytraFly.boostRocket(shooter);
     }
 }