Handle application templates provider based on available scopes

[DilshanSenarath]

Purpose

• Enable the extension template provider to be triggered based on the presence of relevant scopes.
• Previously, the application templates provider was added in the app.tsx file, which caused a series of issues with console roles. This PR removes the provider from app.tsx and adds it to the relevant individual features instead.

Related Issues

• [IS-7.1 Migration] Add the missing scopes to enable access to the application management feature product-is#21146

Related PRs

• Register the application templates API under the application view scope carbon-identity-framework#6244

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.32%. Comparing base (5a3e181) to head (a51ab95).
Report is 14 commits behind head on master.

Additional details and impacted files

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  Coverage   32.32%   32.32%           
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  Files          42       42           
  Lines         897      897           
  Branches      204      221   +17     
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  Hits          290      290           
  Misses        607      607           

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

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[wso2-jenkins-bot]

🦋 Changeset detected

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

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