fix(cx-10583): remove unwanted attributes from element

[neelabhnagaich]

As buttons, input and anchor already have tabindex of 0 and are by default included in keyboard tab navigation so removing explicit tabindex=0 from them and for buttons we are removing explicit attribute of role=button

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots:

Before (If applicable):

After:

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation update
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Other... Please describe:

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 94.18%. Comparing base (b9e9ae7) to head (f2c25d6).

Files	Patch %	Lines
web-components/src/components/button/Button.ts	50.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1580 +/- ## ========================================== - Coverage 94.20% 94.18% -0.03% ========================================== Files 134 134 Lines 19134 19134 Branches 2940 2946 +6 ========================================== - Hits 18026 18021 -5 - Misses 1108 1113 +5 ```

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[neelabhnagaich]

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