API v1: Adopt the new error response schema

[makkoncept]

Is your feature request related to a problem? Please describe.

The response schema of the API response in case of an error is better in version 1.0. For example, check out https://api.creativecommons.engineering/v1/images?q=+ and https://api.creativecommons.engineering/image/search?q=+

For every search, checkValidationError function checks for the error in the API response. It needs to be modified to work with the new version.

[Maxslide]

I would like to work on this issue

[makkoncept]

@Maxslide Let's work on a single issue at a time. I have reviewed your PR and changes are needed before we can merge it.

[cristomathew]

Hi Can I work on this

[makkoncept]

@cristomathew You can work on 1 issue at a time. Your PR is still not merged. I have reviewed it. Post any queries that you may have on the PR.

[kss682]

Hi , Can I work on this issue.

[makkoncept]

@kss682 go ahead. Make sure to read CONTRIBUTING.md.

[kss682]

@makkoncept So currently when an input error occurs the response is "Not a valid search query" that should be made to "InputError" and also instead of validation_error in schema the v1 has only result_count which needs to be checked .