no move buff while flying

src/engine/objects/PlayerCharacter.java

@@ -4828,10 +4828,13 @@ public class PlayerCharacter extends AbstractCharacter {
                 }
 
                 if(this.isFlying()){
-                    if(this.getBonuses() != null && this.getBonuses().getFloat(ModType.Speed,SourceType.BUFF) > 0){
+                    if(this.getBonuses() != null){
+                        float speedMod = this.getBonuses().getFloatPercentPositive(ModType.Speed,SourceType.None);
+                        if(speedMod > 0) {
                             GroundPlayer(this);
                         }
                     }
+                }
 
             } catch (Exception e) {
                 Logger.error(e);