bugfix added missing method isInEquipList as fallback compatibility

bugfix added missing method isInEquipList, that was implemented only in EquipmentV3.
This caused mouse right "contextmenu" to open when error occurred.
Equipment.getUI().isInEquipList() can return undefined otherwise.

src/UI/Components/Equipment/EquipmentV1/EquipmentV1.js

@@ -776,6 +776,13 @@ define(function(require)
 		return num;
 	}
 
+	/**
+	 * EquipmentV3 has the supported function. This is for compatibility with EquipmentV1
+	 */
+	EquipmentV1.isInEquipList = function() {
+		return 0;
+	}
+
 	/**
 	 * Method to define
 	 */

src/UI/Components/Equipment/EquipmentV2/EquipmentV2.js

@@ -776,6 +776,13 @@ define(function(require)
 		return num;
 	}
 
+	/**
+	 * EquipmentV3 has the supported function. This is for compatibility with EquipmentV2
+	 */
+	EquipmentV2.isInEquipList = function() {
+		return 0;
+	}
+
 	/**
 	 * Method to define
 	 */