Replaced KResponsiveWindow mixin by useKResponsiveWindow composable - Core #11335

[a6ar55]

Summary

Replaced all KResponsiveWindow with useKResponsWindow in kolibri/core .vue files

References

This addresses issue #11335.

Reviewer guidance

is it possible to add hacktoberfest-accepted label in this PR ?

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Testing checklist

• Contributor has fully tested the PR manually
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Reviewer checklist

• Automated test coverage is satisfactory
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[github-actions]

Build Artifacts

Asset type	Download link
PEX file	kolibri-0.16.0b6.dev0_git.504.gf06cffbf.pex
Windows Installer (EXE)	kolibri-0.16.0b6.dev0+git.504.gf06cffbf-unsigned.exe
Debian Package	kolibri_0.16.0b6.dev0+git.504.gf06cffbf-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.16.0b6.dev0+git.504.gf06cffbf-0.3.0.dmg
Android Package (APK)	kolibri-0.16.0b6.dev0+git.504.gf06cffbf-0.1.0-debug.apk
TAR file	kolibri-0.16.0b6.dev0+git.504.gf06cffbf.tar.gz
WHL file	kolibri-0.16.0b6.dev0+git.504.gf06cffbf-py2.py3-none-any.whl

[MisRob]

@a6ar55 I rebased this to develop branch

[MisRob]

Great work, @a6ar55, thank you for the contribution!

Code looks good to me. I also previewed updated places and observed no regressions.