[Tree view] - hasChecks should be renamed hasCheckboxes

[MariaAga]

Follow up to breaking change PR [link]

[Description of the breaking change the rules needing to be created]
#241 updated hasCheck but missed hasChecks it seems

Required actions:

1. Build codemod
2. Build test
3. Update readme with description & example

[jeremylenz]

See also https://projects.theforeman.org/issues/38333