This PR fixes `next/image` codemods and makes sure that the tests are properly testing the codemods using the `tsx` parser. This is accomplished by make sure each codemod declares the `tsx` parser instead of the CLI.
Related to: https://twitter.com/styfle/status/1625992439428263937
.substr() is deprecated so we replace it with .slice() which works similarily but isn't deprecated
Signed-off-by: Tobias Speicher <rootcommander@gmail.com>
Co-authored-by: Steven <steven@ceriously.com>