Fix toolbar colors in light theme

Author: Stypox

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

@@ -73,7 +73,7 @@ fun AboutTab() {
         Column(
             modifier = Modifier
                 .fillMaxWidth()
-                .padding(horizontal = 20.dp, vertical = 10.dp)
+                .padding(16.dp)
                 .verticalScroll(scrollState),
             verticalArrangement = Arrangement.spacedBy(8.dp)
         ) {

app/src/main/java/org/schabi/newpipe/ui/components/common/ScaffoldWithToolbar.kt

@@ -28,8 +28,13 @@ fun ScaffoldWithToolbar(
         topBar = {
             TopAppBar(
                 title = { Text(text = title) },
+                // TODO decide whether to use default colors instead
                 colors = TopAppBarDefaults.topAppBarColors(
-                    containerColor = MaterialTheme.colorScheme.primaryContainer
+                    containerColor = MaterialTheme.colorScheme.primaryContainer,
+                    scrolledContainerColor = MaterialTheme.colorScheme.primaryContainer,
+                    navigationIconContentColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                    titleContentColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                    actionIconContentColor = MaterialTheme.colorScheme.onPrimaryContainer,
                 ),
                 navigationIcon = {
                     IconButton(onClick = onBackClick) {