[Druid] update to use set_tick_behavior instead of disable_ticking

Author: gastank

engine/class_modules/sc_druid.cpp

@@ -11464,7 +11464,7 @@ void druid_t::create_buffs()
 
   buff.root_network = make_fallback( talent.root_network.ok(), this, "root_network", find_spell( 439887 ) )
     // TODO: confirm updating behavior where all stacks are decreased at once then recalibrated on tick
-    ->disable_ticking( true );
+    ->set_tick_behavior( buff_tick_behavior::NONE );
 
   buff.ruthless_aggression = make_fallback( talent.ruthless_aggression.ok(),
     this, "ruthless_aggression", find_trigger( talent.ruthless_aggression ).trigger() )