ONYX-13637: Nested claims input validation

[semyon-estrin]

Desired Outcome

Verify that invalid characters validation is enforced in Claim Aliases.

Implemented Changes

• Applied new regex from ONYX-13638: Added claim name validation according to new host annotat… #2401 on all claims (alias and enforced claims)
• Claim alias structure is name:value
  Added additinal validation on Claim Alias name to not allow use of '/' character. (Claim Alias value still can use '/')
• Added UT for both General Claims validation and Claim Alias Specific validation.

Connected Issue/Story

Resolves CyberArk internal issue link: ONYX-13637

Changelog

• The CHANGELOG has been updated, or
• This PR does not include user-facing changes and doesn't require a
  CHANGELOG update

Test coverage

• This PR includes new unit tests to go with the code.
• The changes in this PR do not require tests

Documentation

• Docs (e.g. READMEs) were updated in this PR
• A follow-up issue to update official docs has been filed here: insert issue ID
• This PR does not require updating any documentation.

Behavior

• This PR changes product behavior and has been reviewed by a PO, or
• These changes are part of a larger initiative that will be reviewed later, or
• No behavior was changed with this PR

Security

• Security architect has reviewed the changes in this PR,
• These changes are part of a larger initiative with a separate security review, or
• There are no security aspects to these changes

[sashaCher]

see comments

[sashaCher]

@semyon-estrin please pay your attention on broken cucumber tests

[codeclimate]

Code Climate has analyzed commit 4a54cec and detected 1 issue on this pull request.

Here's the issue category breakdown:

Category	Count
Style	1

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 90.8% (-0.1% change).

View more on Code Climate.

[sashaCher]

See comments

[sashaCher]

LGTM

[sashaCher]

LGTM