Let escape clear deployment selection

src/game/scenes/BattleScene.ts

@@ -3189,6 +3189,11 @@ export class BattleScene extends Phaser.Scene {
         return;
       }
 
+      if (this.cancelDeploymentSelection()) {
+        soundDirector.playSelect();
+        return;
+      }
+
       if (this.cancelAttackTargeting()) {
         return;
       }
@@ -5463,6 +5468,23 @@ export class BattleScene extends Phaser.Scene {
       : undefined;
   }
 
+  private cancelDeploymentSelection(forceNotice = false) {
+    if (this.phase !== 'deployment') {
+      return false;
+    }
+
+    if (!this.deploymentSelectedUnitId && !forceNotice) {
+      return false;
+    }
+
+    this.deploymentSelectedUnitId = undefined;
+    this.deploymentNotice = '선택을 해제했습니다. 배치할 장수를 다시 선택하세요.';
+    this.renderDeploymentMap();
+    this.renderDeploymentPanel();
+    this.clearPointerFeedback();
+    return true;
+  }
+
   private handleDeploymentUnitClick(unit: UnitData) {
     if (this.phase !== 'deployment') {
       return;
@@ -10837,11 +10859,7 @@ export class BattleScene extends Phaser.Scene {
     }
 
     if (this.phase === 'deployment') {
-      this.deploymentSelectedUnitId = undefined;
-      this.deploymentNotice = '선택을 해제했습니다. 배치할 장수를 다시 선택하세요.';
-      this.renderDeploymentMap();
-      this.renderDeploymentPanel();
-      this.clearPointerFeedback();
+      this.cancelDeploymentSelection(true);
       return;
     }