[WIP] feat: show all enterprise budgets regardless of plan and route correctly

[jajjibhai008]

Description
This PR covers up the following points

• All budgets of ecommerce offers and learner-credit offers are showing regardless of plan.
• View Budget button takes the learner to the detail page along with offerId/budgetId
• Create two new routes
  • for e-commerce /:enterpriseSlug/admin/learner-credit/:offerId
  • for learner_credit budget /:enterpriseSlug/admin/learner-credit/:budgetId
• Fetch the enrollments on the basis of budget_id if present otherwise, fetch enrollments on the base of offer_id on the detail page
• The “Budgets” link in the breadcrumbs on the LCM UI relies on react-router’s Link component and avoids a full-page refresh.

JIRA -> [ENT-7672, ENT-7673, ENT-7674, ENT-7565]

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

[codecov]

Codecov Report

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Additional details and impacted files

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