[Issue] [PERF Improvements]Load polyfills for browsers that don't support certain features

Here I'm using RequireJS configuration and the whole deps mechanism to conditionally load browser features polyfils only when needed. Changes in this PR include:

Preconditions (*)

1. Magento version 2.3.5

Steps to reproduce (*)

Expected result (*)

UI components, e.g. in checkout or admin are still functional.
Polyfills for Map, WeakMap, FormData and MutationObserver are loaded only for old browsers that do not support them.

Actual result (*)

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Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[magento-engcom-team]

✅ Confirmed by @VladimirZaets
Thank you for verifying the issue. Based on the provided information internal tickets MC-34672 were created

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