feat: Add the ability to pass custom Dropdown menu toggle

[flacial]

Related to #2029

Description

To add the design's dropdown menu style, this PR aims at making it possible to pass in custom toggle component with custom styles.

View it here

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Name	Status	Preview	Updated
c0d3-app	✅ Ready (Inspect)	Visit Preview	Dec 4, 2022 at 8:47AM (UTC)

[codecov]

Codecov Report

Merging #2556 (1958a24) into master (a4309dd) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 1958a24 differs from pull request most recent head 2b59f9c. Consider uploading reports for the commit 2b59f9c to get more accurate results

@@            Coverage Diff            @@
##            master     #2556   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          186       186           
  Lines         3385      3361   -24     
  Branches       906       908    +2     
=========================================
- Hits          3385      3361   -24     

Impacted Files	Coverage Δ
components/DropdownMenu.tsx	100.00% <100.00%> (ø)
pages/admin/lessons/index.tsx	100.00% <0.00%> (ø)
pages/admin/lessons/new/index.tsx	100.00% <0.00%> (ø)