Add checkLaunchServerErrorShot

[Oxypetalum7]

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[github-actions]

Hi @Oxypetalum7! Codes seem to be unformatted. To resolve this issue, please run ./gradlew detekt --auto-correct and fix the results of ./gradlew lintDebug.. Thank you for your contribution.

[github-actions]

Snapshot diff report

File name	Image
TimetableScreenTest. checkGridScrollShot_ compare.png
TimetableScreenTest. checkGridShot_compar e.png
StaffScreenTest.chec kLaunchServerErrorSh ot_compare.png
io.github.droidkaigi .confsched2023.sessi ons.section_null_Lan guage_TimetablePrevi ew-English-16_19_nul l_compare.png
io.github.droidkaigi .confsched2023.sessi ons.section_null_The me_TimetablePreview- LightMode-28_28_null _compare.png
io.github.droidkaigi .confsched2023.sessi ons.section_null_The me_TimetablePreview- DarkMode-28_29_null_ compare.png
io.github.droidkaigi .confsched2023.sessi ons.section_null_Lan guage_TimetablePrevi ew-Japanese-16_18_nu ll_compare.png