changed KResponsiveWindow to useKResponsiveWindow in Pdf Viewer plugin

[ShivangRawat30]

Summary

This PR changes the KResponsiveWindow to useKResponsiveWindow in Pdf Viewer plugin

References

#11328

Reviewer guidance

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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.522.g75f511e4.pex
Windows Installer (EXE)	kolibri-0.16.0b6.dev0+git.522.g75f511e4-unsigned.exe
Debian Package	kolibri_0.16.0b6.dev0+git.522.g75f511e4-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.16.0b6.dev0+git.522.g75f511e4-0.3.0.dmg
Android Package (APK)	kolibri-0.16.0b6.dev0+git.522.g75f511e4-0.1.0-debug.apk
TAR file	kolibri-0.16.0b6.dev0+git.522.g75f511e4.tar.gz
WHL file	kolibri-0.16.0b6.dev0+git.522.g75f511e4-py2.py3-none-any.whl

[MisRob]

Hi @ShivangRawat30, this is great work and thanks for yet another contribution! We left one minor note that would be nice to resolve. Could you also please fix linting? The check is failing.

[MisRob]

Thank you, @ShivangRawat30, all good. When testing manually, I observed no problems.