Fix front end to improve user experience

Description

Add five new functionality

1. Fix Styling of Dashboard button to create election or to go brightid page
2. Add Link from react-router-dom in dashboard brightId button and also for election page(at election row).
3. Add dynamic update to elections and voteCount.
4. Fix functionality only admin can Delete election only when election is pending.
5. Fix functionality only admin can Update election only when election is pending.

Fixes # (issue)

Type of change

Please mark the options that are relevant.

• Updated UI/UX
• Improved the business logic of code
• Added new feature
• Other

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings