feat: Updated Xpert component to be lazy loaded

[rijuma]

Related issues: #1482

To improve bundle size we are lazy loading Xpert from frontend-lib-learning-assistant.

Bundlewatch before

PASS dist/108.js: 1.57KB < 1.27MB (gzip)
PASS dist/15.js: 995B < 1.27MB (gzip)
PASS dist/2.js: 772B < 1.27MB (gzip)
PASS dist/312.js: 1.25MB < 1.27MB (gzip)
PASS dist/329.js: 1.99KB < 1.27MB (gzip)
PASS dist/35.js: 1.01KB < 1.27MB (gzip)
PASS dist/550.js: 628B < 1.27MB (gzip)
PASS dist/750.js: 1.1KB < 1.27MB (gzip)
PASS dist/775.js: 858B < 1.27MB (gzip)
PASS dist/824.js: 1.65KB < 1.27MB (gzip)
PASS dist/885.js: 1.21KB < 1.27MB (gzip)
PASS dist/938.js: 663B < 1.27MB (gzip)
PASS dist/app.js: 94.3KB < 1.27MB (gzip)
PASS dist/runtime.js: 1.93KB < 1.27MB (gzip)

bundlewatch PASS
Everything is in check (+1.35MB, -0B)

Result breakdown at: https://ja2r7.app.goo.gl/5iYm4CybudWXSUSF6

Bundlewatch after

PASS dist/108.js: 1.57KB < 1.27MB (gzip)
PASS dist/15.js: 995B < 1.27MB (gzip)
PASS dist/2.js: 770B < 1.27MB (gzip)
PASS dist/312.js: 1.25MB < 1.27MB (gzip)
PASS dist/329.js: 1.99KB < 1.27MB (gzip)
PASS dist/35.js: 1.01KB < 1.27MB (gzip)
PASS dist/550.js: 627B < 1.27MB (gzip)
PASS dist/750.js: 1.11KB < 1.27MB (gzip)
PASS dist/775.js: 859B < 1.27MB (gzip)
PASS dist/824.js: 1.65KB < 1.27MB (gzip)
PASS dist/885.js: 1.21KB < 1.27MB (gzip)
PASS dist/938.js: 662B < 1.27MB (gzip)
PASS dist/app.js: 94.39KB < 1.27MB (gzip)
PASS dist/runtime.js: 1.93KB < 1.27MB (gzip)

bundlewatch PASS
Everything is in check (+1.35MB, -0B)

Result breakdown at: https://ja2r7.app.goo.gl/TXEwuYtUvirAdYFL8

There seem to be no evident improvement on the bundle size according to Bundlewatch.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.69%. Comparing base (2a58ad2) to head (a01e19d).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1498   +/-   ##
=======================================
  Coverage   88.69%   88.69%           
=======================================
  Files         312      312           
  Lines        5501     5502    +1     
  Branches     1365     1365           
=======================================
+ Hits         4879     4880    +1     
+ Misses        605      604    -1     
- Partials       17       18    +1     

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[farhaanbukhsh]

@rijuma There doesn't seem to be any changes in bundle size, am I missing something?