LF-4598 Removed redirection and made feedback from self-contained

[gursimran-singh]

Description

After submitting the feedback form the user was redirected to home page. After this fix user will remain on same page and will get confirmation popup. Also, made feedback self-contained component, containing both form and popup in same container.

Jira link: https://lite-farm.atlassian.net/browse/LF-4598

Type of change

• 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 not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Submit the feedback form on any page. Confirmation popup is shown and user is not redirected to home page.

• Passes test case
• UI components visually reviewed on desktop view
• UI components visually reviewed on mobile view
• Other (please explain)

Checklist:

• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The precommit and linting ran successfully
• I have added or updated language tags for text that's part of the UI
• I have added "MISSING" for all new language tags to languages I don't speak
• I have added the GNU General Public License to all new files