修复不能退出改装状态的问题

src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java

@@ -225,9 +225,13 @@ public class ClickHandler {
             }
             if (key == ModKeyMappings.EDIT_MODE.getKey().getValue() && ClientEventHandler.burstFireAmount == 0) {
                 ClientEventHandler.holdFire = false;
-                isEditing = true;
+
+                if (!isEditing) {
                     player.playSound(ModSounds.EDIT_MODE.get(), 1, 1);
                 }
+                // TODO 退出时的动画渐变
+                isEditing = !isEditing;
+            }
 
             if (key == ModKeyMappings.BREATH.getKey().getValue() && !exhaustion && zoom) {
                 breath = true;