[Controller] [FrameworkBundle] [DEPRECATION] Added a deprecation error trigger for getRequest method of the base controller

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | #12614 
| License       | MIT
| Doc PR        | -
please put that on one single line