Updated Theme Module path in CSS/JS/TPL includes

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | -
| Fixed tickets | #904, #903
| License       | MIT
| Doc PR        | -

In various files of the Form legacy classes includes of css/js of the Theme Module are being done. These were referring to the old location before the Symfony Bundle folder location update.
This is corrected here.