[$10][MSFT-32] [Challenge Feed] User can't focus on the 'Community' menu using tab

[veshu]

Steps to Reproduce

1. Go to https://www.topcoder.com/challenges and Login using valid credentials
2. Press tab key till the 'Community' menu is selected

Expected Result
User should be able to select the Community tab using tab

Actual Result
User can't focus on the 'Community' menu using tab

Device: Desktop/Labtop
Operating System: Windows
Browser: Chrome

WCAG Category: 2. Operable
WCAG Level: A
WCAG Success Criterion: 2.1.1 Keyboard
Screen Reader Used: N/A
Accessibility Audit Tool used: Other

Attachment
https://topcodermsft-my.sharepoint.com/personal/pd-topcoder_topcodermsft_onmicrosoft_com/Documents/Forms/All.aspx?cid=58da9b68%2Df2a3%2D45d2%2Dbbae%2D15abdfd0865b&FolderCTID=0x0120005C598A51049FC14CBA882E1AEE168F51&sortField=Modified&isAscending=true&id=%2Fpersonal%2Fpd%2Dtopcoder%5Ftopcodermsft%5Fonmicrosoft%5Fcom%2FDocuments%2FMSFT%2DTeams%2DQA%2FJune%202019%2F29%20Jun%2FTest%20Results%2FBug%20Videos%20%26%20Log%20Files%2Fcodejam%2DAccessibility%2F15

[ThomasKranitsas]

Contest https://www.topcoder.com/challenges/30096077 has been created for this ticket.

This is an automated message for thomaskranitsas via Topcoder X

[ThomasKranitsas]

Contest https://www.topcoder.com/challenges/30096077 has been updated - the new changes has been updated for this ticket.

This is an automated message for thomaskranitsas via Topcoder X

[cwdcwd]

Contest https://www.topcoder.com/challenges/30096077 has been updated - it has been assigned to PkDurlabhji.

This is an automated message for lazybaer via Topcoder X

[PrakashDurlabhji]

@veshu PR #2943