Fix Network Information, Make input mandatory while election creation, toggle visibility...

Description

Add three feature

1. Fix Network Information, now dashboard respond to address change as well as chiainID change
2. Make input mandatory while election creation as well as election timing.
3. Toggle visibility of add candidate button with respect to election status

Demo video - Kirti_Mam_Suggestion.mkv

Type of change

Please mark the options that are relevant.

• 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