[Automation] Allow multiple actions per one condition

[ihsoft]

Even though this can easily be achieved by creating multiple rules with the same conditions, many people ask for it.

Problem. The long strings don't look well in the building entity panel (the one, show to the right). Multiple actions would mean potentially unlimited length of the action description text. It can break the UI experience.

Idea to solve it. With some extra logic, multiple actions can be added via "and then" statement. E.g.

* If <condtion>
* Then <action1>
  and then <action2>
  and then <action3>
  ...