fix(docs): update examples after Eva migration

[yggg]

Please read and mark the following check list before creating a pull request:

• [] I read and followed the CONTRIBUTING.md guide.
• [] I read and followed the New Feature Checklist guide.

Short description of what this resolves:

Mostly consists of typography fixes

[codecov]

Codecov Report

Merging #1448 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #1448      +/-   ##
==========================================
- Coverage   82.84%   82.83%   -0.02%     
==========================================
  Files         240      240              
  Lines        7322     7323       +1     
  Branches      655      656       +1     
==========================================
  Hits         6066     6066              
- Misses       1066     1067       +1     
  Partials      190      190

Impacted Files	Coverage Δ
...mework/theme/components/search/search.component.ts	79.48% <ø> (ø)	⬆️
.../framework/theme/components/chat/chat.component.ts	53.7% <ø> (ø)	⬆️
...mework/theme/components/button/button.component.ts	87.2% <ø> (ø)	⬆️
.../tree-grid/data-source/tree-grid-filter.service.ts	25% <0%> (-1.09%)	⬇️