Step actions ordering issue: run_script_action always added after action

[pemaxim]

Describe the bug

run_script_action action is always added to the end of actions list. Example:

step {
  name = "My Step"
  
  action {
     name = "Action One"
  }

  run_script_action {
    name = "Action Two"
  }

  action {
    name = "Action Three"
  }

}

Process Step will have the following order:

My Step:

1. Action One
2. Action Three
3. Action Two

Environment and versions:

• OS: Linux
• Octopus Server Version: 2020.5.0
• Terraform Version: 0.14.9
• Octopus Terraform Provider Version: 0.7.36