Added new action “Check for a comment in the task”

Added the action “Check if there is a comment in the task” , which will check for the presence of a comment when moving to a stage, provided that a specific option in the drop-down list of a specific field is selected. For settings: 1. additionally select a field with a drop-down list type; 2. get options for choosing the condition for filling out the comment: If both the field and the value are set, then the check will be carried out according to the principle: - when the value of the additional field of the order is equal to the value we need, then we check for a comment. when the values do not match, we do not check for a comment.