Use existing scrollbar theme method

Author: Isira-Seneviratne

app/src/main/java/org/schabi/newpipe/ui/components/about/AboutTab.kt

@@ -24,7 +24,7 @@ import androidx.compose.ui.unit.dp
 import my.nanihadesuka.compose.ColumnScrollbar
 import org.schabi.newpipe.BuildConfig
 import org.schabi.newpipe.R
-import org.schabi.newpipe.ui.theme.NewPipeScrollbarSettings
+import org.schabi.newpipe.ui.components.common.defaultThemedScrollbarSettings
 import org.schabi.newpipe.util.external_communication.ShareUtils
 
 private val ABOUT_ITEMS = listOf(
@@ -59,7 +59,7 @@ private class AboutData(
 fun AboutTab() {
     val scrollState = rememberScrollState()
 
-    ColumnScrollbar(state = scrollState, settings = NewPipeScrollbarSettings) {
+    ColumnScrollbar(state = scrollState, settings = defaultThemedScrollbarSettings()) {
         Column(
             modifier = Modifier
                 .fillMaxWidth()

app/src/main/java/org/schabi/newpipe/ui/components/about/LicenseTab.kt

@@ -13,16 +13,15 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.mikepenz.aboutlibraries.ui.compose.m3.LibrariesContainer
-import my.nanihadesuka.compose.LazyColumnScrollbar
 import org.schabi.newpipe.R
-import org.schabi.newpipe.ui.theme.NewPipeScrollbarSettings
+import org.schabi.newpipe.ui.components.common.LazyColumnThemedScrollbar
 
 @Composable
 @NonRestartableComposable
 fun LicenseTab() {
     val lazyListState = rememberLazyListState()
 
-    LazyColumnScrollbar(state = lazyListState, settings = NewPipeScrollbarSettings) {
+    LazyColumnThemedScrollbar(state = lazyListState) {
         LibrariesContainer(
             modifier = Modifier
                 .fillMaxWidth()

app/src/main/java/org/schabi/newpipe/ui/theme/Theme.kt

@@ -5,8 +5,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.graphics.Color
-import my.nanihadesuka.compose.ScrollbarSettings
 
 private val LightColors = lightColorScheme(
     primary = md_theme_light_primary,
@@ -72,11 +70,6 @@ private val DarkColors = darkColorScheme(
     scrim = md_theme_dark_scrim,
 )
 
-val NewPipeScrollbarSettings = ScrollbarSettings(
-    thumbSelectedColor = md_theme_dark_primary,
-    thumbUnselectedColor = Color.Red
-)
-
 @Composable
 fun AppTheme(useDarkTheme: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {
     MaterialTheme(