[ 2884538 ] Introduce EMail.getAttachments

https://sourceforge.net/tracker/?func=detail&aid=2884538&group_id=176962&atid=879335

base/src/org/compiere/util/EMail.java

@@ -1007,6 +1007,16 @@ public final class EMail implements Serializable
 		return true;
 	}   //  isValid
 
+	/**
+	 * @return attachments array or empty array. This method will never return null.
+	 */
+	public Object[] getAttachments()
+	{
+		if (m_attachments == null)
+			return new Object[]{};
+		return m_attachments.toArray();
+	}
+
 	/**
 	 * 	String Representation
 	 *	@return info