fix(addon-mobile): remove shadow background in mobile calendar header

[splincode]

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Build or CI related changes
• Tests related changes
• Documentation content changes

What is the current behavior?

Closes #4025

What is the new behavior?

[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	331.43KB (-117B -0.03%)	+10%

Unchanged files (5)

Status	Path	Size	Limits
✅	demo/browser/vendor.(hash).js	200.83KB	+10%
✅	demo/browser/runtime.(hash).js	36.75KB	+10%
✅	demo/browser/polyfills.(hash).js	18.28KB	+10%
✅	demo/browser/scripts.(hash).js	17.9KB	+10%
✅	demo/browser/styles.(hash).css	1.67KB	+10%

Total files change -117B -0.02%

Groups updated (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	2.11MB (-117B -0.01%)	-

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[github-actions]

Visit the preview URL for this PR (updated for commit 1ea123a):

https://taiga-ui--pr5326-splincode-fix-issues-5wz04o3b.web.app

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_{Sign: 4b5ece1e114386f6a105425ef799091475b249eb}

[codecov]

Codecov Report

Merging #5326 (1ea123a) into main (e684bdc) will decrease coverage by 7.55%.
Report is 4 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #5326      +/-   ##
==========================================
- Coverage   72.31%   64.76%   -7.55%     
==========================================
  Files        1437      291    -1146     
  Lines       15617     3221   -12396     
  Branches     2194      356    -1838     
==========================================
- Hits        11293     2086    -9207     
+ Misses       3964     1081    -2883     
+ Partials      360       54     -306     

Flag	Coverage Δ
addon-charts	71.16% <ø> (ø)
addon-doc	60.45% <ø> (ø)
addon-mobile	61.32% <ø> (ø)
addon-table	?
addon-tablebars	?
cdk	?
core	?
kit	?
summary	64.76% <ø> (-7.55%)	⬇️

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