Rework slider UI

Fixes #1474

(cherry picked from commit e8c9cb2c2e4c24443368f0d653c5283f9671ffec)

# Conflicts:
#	presentation-core/src/main/java/tachiyomi/presentation/core/components/SettingsItems.kt

app/src/main/java/eu/kanade/presentation/more/settings/Preference.kt

@@ -52,8 +52,9 @@ sealed class Preference {
          */
         data class SliderPreference(
             val value: Int,
-            val min: Int = 0,
             val max: Int,
+            val min: Int = 0,
+            val steps: Int = 0,
             override val title: String = "",
             override val subtitle: String? = null,
             override val icon: ImageVector? = null,

app/src/main/java/eu/kanade/presentation/more/settings/PreferenceItem.kt

@@ -5,6 +5,7 @@ import androidx.compose.animation.expandVertically
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.animation.shrinkVertically
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.collectAsState
@@ -76,11 +77,11 @@ internal fun PreferenceItem(
                 )
             }
             is Preference.PreferenceItem.SliderPreference -> {
-                // TODO: use different composable?
                 SliderItem(
                     label = item.title,
                     min = item.min,
                     max = item.max,
+                    steps = item.steps,
                     value = item.value,
                     valueText = item.subtitle.takeUnless { it.isNullOrEmpty() } ?: item.value.toString(),
                     onChange = {
@@ -88,6 +89,7 @@ internal fun PreferenceItem(
                             item.onValueChanged(it)
                         }
                     },
+                    labelStyle = MaterialTheme.typography.titleLarge,
                 )
             }
             is Preference.PreferenceItem.ListPreference<*> -> {

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsReaderScreen.kt

@@ -177,6 +177,7 @@ object SettingsReaderScreen : SearchableSettings {
                     value = flashMillis / ReaderPreferences.MILLI_CONVERSION,
                     min = 1,
                     max = 15,
+                    steps = 13,
                     title = stringResource(MR.strings.pref_flash_duration),
                     subtitle = stringResource(MR.strings.pref_flash_duration_summary, flashMillis),
                     onValueChanged = {
@@ -189,6 +190,7 @@ object SettingsReaderScreen : SearchableSettings {
                     value = flashInterval,
                     min = 1,
                     max = 10,
+                    steps = 8,
                     title = stringResource(MR.strings.pref_flash_page_interval),
                     subtitle = pluralStringResource(MR.plurals.pref_pages, flashInterval, flashInterval),
                     onValueChanged = {