fix(module:OverlayTrigger): overlay will reposition on window resize

[anddrzejb]

[中文版模板 / Chinese template]

🤔 This is a ...

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• Bug fix
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🔗 Related issue link

Fixes #895

💡 Background and solution

Added to OverlayTrigger window resize event handler, which is going to repositon the overlay if it is visible while resizing window.

📝 Changelog

Language	Changelog
🇺🇸 English
🇨🇳 Chinese

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
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[codecov-io]

Codecov Report

Merging #897 (815eb7d) into master (8763fda) will increase coverage by 0.00%.
The diff coverage is 14.28%.

@@          Coverage Diff           @@
##           master    #897   +/-   ##
======================================
  Coverage    5.53%   5.54%           
======================================
  Files         401     401           
  Lines       21337   21344    +7     
======================================
+ Hits         1182    1183    +1     
- Misses      20155   20161    +6     

Impacted Files	Coverage Δ
...nts/core/Component/overlay/OverlayTrigger.razor.cs	9.09% <14.28%> (+0.19%)	⬆️

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[anddrzejb]

@mutouzdl what is going on in here? Why this gets unreviewed by pr-triage?