:wrench: Make it possible to build again.

[Corvus400]

Issue

• None.

Overview (Required)

• For some reason, a necessary import was missing, so it was added again.🤔

[takahirom]

Thanks as always!

[github-actions[bot]]

Snapshot diff report	File name	Image
KaigiAppTest.checkNa vigateToTimetableIte mDetailShot_compare. png
io.github.droidkaigi .confsched2023.sessi ons.component_null_T heme_DescriptionSect ionPreview-DarkMode- 14_15_null_compare.p ng
io.github.droidkaigi .confsched2023.sessi ons.component_null_T heme_DescriptionSect ionPreview-LightMode -14_14_null_compare. png
TimetableItemDetailS creenTest.checkSmall FontScaleShot_compar e.png
TimetableItemDetailS creenTest.checkHugeF ontScaleShot_compare .png
TimetableItemDetailS creenTest.checkReadM oreExpansionShot_com pare.png
TimetableItemDetailS creenTest.checkReadM oreExpansionShot_2_c ompare.png
TimetableItemDetailS creenTest.checkLaunc hShot_compare.png
TimetableItemDetailS creenTest.checkScrol lShot_2_compare.png
TimetableItemDetailS creenTest.checkLarge FontScaleShot_compar e.png
TimetableItemDetailS creenTest.checkScrol lShot_4_compare.png
TimetableItemDetailS creenTest.checkScrol lShot_compare.png
TimetableItemDetailS creenTest.checkScrol lShot_3_compare.png
TimetableItemDetailS creenTest.checkLaunc hAccessibilityShot_c ompare.png
TimetableItemDetailS creenTest.checkBookm arkToggleShot_compar e.png