refactor: Refactor & add required rapid response counterpart

[arslanashraf7]

Related Ticket:

https://github.com/mitodl/edx-platform/issues/273

Description

We did some platform changes to use some of the rapid response functionality & later on we used to cherry-pick that with every Open edX release. Now we are trying to refactor and migrate all this code into a plugin in https://github.com/mitodl/open-edx-plugins.

What this PR does?

• It picks only the relevant parts of the commit(https://github.com/mitodl/edx-platform/commit/bbe7d0628d2f4f0800406f18b65d066525f766ce)
• It's currently in progress, But if we can move all the code to the plugin then this PR will contain the remaining counterpart.

How to test?

This should be tested once we create a rapid response plugin in https://github.com/mitodl/open-edx-plugins.

[arslanashraf7]

@gsidebo This is ready for review again.