refactor: Add and use playErrorBeep()

Author: gonfunko

packages/blockly/core/dragging/block_drag_strategy.ts

@@ -380,7 +380,7 @@ export class BlockDragStrategy implements IDragStrategy {
 
       if (this.moveMode === MoveMode.CONSTRAINED) {
         showUnconstrainedMoveHint(this.workspace, true);
-        this.workspace.getAudioManager().beep(260);
+        this.workspace.getAudioManager().playErrorBeep();
       }
     }
   }

packages/blockly/core/workspace_audio.ts

@@ -138,6 +138,13 @@ export class WorkspaceAudio {
     oscillator.stop(this.context.currentTime + duration);
   }
 
+  /**
+   * Plays a standard error beep.
+   */
+  async playErrorBeep() {
+    return this.beep(260);
+  }
+
   /**
    * Returns whether or not playing sounds is currently allowed.
    *