Add SAML2 Outbound Request Attribute ProviderName UI

[AmshikaH]

Purpose

Adds the UI for the SAML2 Outbound Request attribute ProviderName.

This supports getting the ProviderName via the Authentication Request Provider Name configuration in the SAML Connection.

Related Issues

• Add ProviderName attribute to outbound SAML authentication request messages product-is#21536

Related PRs

• Add SAML2 Outbound Request Attribute ProviderName wso2-extensions/identity-outbound-auth-samlsso#182

Checklist

• e2e cypress tests locally verified. (for internal contributers)
• Manual test round performed and verified.
• UX/UI review done on the final implementation.
• Documentation provided. (Add links if there are any)
• Relevant backend changes deployed and verified
• Unit tests provided. (Add links if there are any)
• Integration tests provided. (Add links if there are any)

Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines
• Ran FindSecurityBugs plugin and verified report
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets

[pavinduLakshan]

Let's add changeset and address eslint warnings

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.32%. Comparing base (6fea1c7) to head (6168cf4).
Report is 58 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7225   +/-   ##
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  Coverage   32.32%   32.32%           
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  Files          42       42           
  Lines         897      897           
  Branches      221      217    -4     
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  Hits          290      290           
+ Misses        607      557   -50     
- Partials        0       50   +50     

Flag	Coverage Δ
@wso2is/core	32.32% <ø> (ø)

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see 14 files with indirect coverage changes

[wso2-jenkins-bot]

🦋 Changeset detected

The changes in this PR will be included in the next version bump.

Not sure what this means? Click here to learn what changesets are.