[Console] Output Formatter Decorator

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | possible
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

OutputFormatter uses the Decorator to apply Styles to text
`isset` is to check if a variable exists, I suggest `return null !== $this->decorator;`