fix(cdk): share a single subscription to the underlying source observable between multiple subscribers

[splincode]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows Conventional Commits
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Code style update
• Build or CI related changes
• Documentation content changes

What is the current behavior?

Many events are generated every second

Does this PR introduce a breaking change?

• Yes
• No

[lumberjack-bot]

Pull request was closed ✔️

All saved screenshots (for current PR) were deleted 🗑️

[bundlemon]

BundleMon

Files updated (1)

Status	Path	Size	Limits
✅	demo/browser/main.(hash).js	328.88KB (+28B +0.01%)	+10%

Unchanged files (4)

Status	Path	Size	Limits
✅	demo/browser/vendor.(hash).js	204.86KB	+10%
✅	demo/browser/runtime.(hash).js	34.46KB	+10%
✅	demo/browser/polyfills.(hash).js	19.92KB	+10%
✅	demo/browser/scripts.(hash).js	14.92KB	+10%

Total files change +28B 0%

Groups updated (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	2.22MB (+28B 0%)	-

Final result: ✅

View report in BundleMon website ➡️

---

Current branch size history | Target branch size history

[github-actions]

Visit the preview URL for this PR (updated for commit 3521f25):

https://taiga-ui--pr3174-splincode-refactor-r-zchqgp1z.web.app

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_{Sign: 4b5ece1e114386f6a105425ef799091475b249eb}

[codecov]

Codecov Report

Base: 0.00% // Head: 61.41% // Increases project coverage by +61.41% 🎉

Coverage data is based on head (de83de8) compared to base (2619572).
Patch coverage: 0.00% of modified lines in pull request are covered.

❗ Current head de83de8 differs from pull request most recent head 3521f25. Consider uploading reports for the commit 3521f25 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##           main    #3174       +/-   ##
=========================================
+ Coverage      0   61.41%   +61.41%     
=========================================
  Files         0     1516     +1516     
  Lines         0    17946    +17946     
  Branches      0     2512     +2512     
=========================================
+ Hits          0    11021    +11021     
- Misses        0     6469     +6469     
- Partials      0      456      +456     

Flag	Coverage Δ
addon-charts	72.46% <ø> (?)
addon-doc	48.73% <ø> (?)
addon-editor	51.23% <ø> (?)
addon-mobile	62.31% <ø> (?)
addon-table	60.70% <ø> (?)
addon-tablebars	98.07% <ø> (?)
cdk	39.95% <0.00%> (?)
core	76.79% <ø> (?)
kit	73.26% <ø> (?)
summary	61.41% <0.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
projects/cdk/services/resize.service.ts	60.00% <0.00%> (ø)
...onents/mobile-calendar/mobile-calendar.strategy.ts	82.60% <0.00%> (ø)
...ents/toolbar-tools/font-style/font-style.module.ts	100.00% <0.00%> (ø)
...cts/core/directives/dropdown/dropdown.directive.ts	84.00% <0.00%> (ø)
projects/kit/components/tabs/tabs.directive.ts	19.04% <0.00%> (ø)
projects/addon-charts/utils/line-length.ts	25.00% <0.00%> (ø)
...onents/checkbox-labeled/checkbox-labeled.module.ts	100.00% <0.00%> (ø)
...it/components/input-month/input-month.component.ts	78.78% <0.00%> (ø)
...cdk/directives/repeat-times/repeat-times.module.ts	100.00% <0.00%> (ø)
...ts/kit/components/text-area/text-area.directive.ts	75.00% <0.00%> (ø)
... and 1507 more

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[splincode]

@waterplea hello, please review me)

[well-done-bot]