Redesigned the Event Management's Dashboard tab for the talawa admin portal

[Sahi1l-Kumar]

What kind of change does this PR introduce?
A redesign.

Issue Number:
Fixes #1749

Did you add tests for your changes?
No.

Snapshots/Videos:

If relevant, did you update the documentation?

Summary
In the following PR, I have redesigned the Event's dashboard screen for the talawa admin portal according to the figma file here

Does this PR introduce a breaking change?
No.

Other information

Have you read the contributing guide?
Yes.

[github-actions]

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[Sahi1l-Kumar]

@palisadoes I am not able to manually link the PR back to this project. Maybe I need certain permissions to the repo.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.79%. Comparing base (971e20a) to head (00dc50d).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1806   +/-   ##
========================================
  Coverage    96.78%   96.79%           
========================================
  Files          198      198           
  Lines         4882     4896   +14     
  Branches      1403     1404    +1     
========================================
+ Hits          4725     4739   +14     
  Misses         150      150           
  Partials         7        7           

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[palisadoes]

Please add the missing tabs. We need them as place holders. Use a component methodology of possible

[Sahi1l-Kumar]

Please add the missing tabs. We need them as place holders. Use a component methodology of possible

Isn't the tabs supposed to be implemented in this issue?
#1748

[palisadoes]

OK. Thanks for the reminder