- Create ci/lints controller inside project/
- Move js pages to be inside projects/
- Copy view ci/lint view to be inside project folder
- Remove ci/lint view and js files

Closes #43603

- Move the exception handling as close to the source as possible to
avoid leaking Psych ahstraction
- Also remove unnecessary rescue all statement from LintsController.
This should not be necessary anymore since any YAML errors should all be
caught by the #validation_message method.

Use project full path that can be received from a pipeline object