Move app state banner to the very top (#8706)

This moves the banners to the root composable and so eliminates the need to
track the app states in every screen.

app/src/main/java/eu/kanade/presentation/manga/MangaScreen.kt

@@ -238,8 +238,6 @@ private fun MangaScreenSmallImpl(
                 titleAlphaProvider = { animatedTitleAlpha },
                 backgroundAlphaProvider = { animatedBgAlpha },
                 hasFilters = state.manga.chaptersFiltered(),
-                incognitoMode = state.isIncognitoMode,
-                downloadedOnlyMode = state.isDownloadedOnlyMode,
                 onBackClicked = internalOnBackPressed,
                 onClickFilter = onFilterClicked,
                 onClickShare = onShareClicked,
@@ -450,8 +448,6 @@ fun MangaScreenLargeImpl(
                     titleAlphaProvider = { if (chapters.fastAny { it.selected }) 1f else 0f },
                     backgroundAlphaProvider = { 1f },
                     hasFilters = state.manga.chaptersFiltered(),
-                    incognitoMode = state.isIncognitoMode,
-                    downloadedOnlyMode = state.isDownloadedOnlyMode,
                     onBackClicked = internalOnBackPressed,
                     onClickFilter = onFilterButtonClicked,
                     onClickShare = onShareClicked,

app/src/main/java/eu/kanade/presentation/manga/components/MangaToolbar.kt

@@ -26,7 +26,6 @@ import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import eu.kanade.presentation.components.AppStateBanners
 import eu.kanade.presentation.components.DownloadDropdownMenu
 import eu.kanade.presentation.components.OverflowMenu
 import eu.kanade.presentation.manga.DownloadAction
@@ -40,8 +39,6 @@ fun MangaToolbar(
     titleAlphaProvider: () -> Float,
     backgroundAlphaProvider: () -> Float = titleAlphaProvider,
     hasFilters: Boolean,
-    incognitoMode: Boolean,
-    downloadedOnlyMode: Boolean,
     onBackClicked: () -> Unit,
     onClickFilter: () -> Unit,
     onClickShare: (() -> Unit)?,
@@ -151,7 +148,5 @@ fun MangaToolbar(
                     .copy(alpha = if (isActionMode) 1f else backgroundAlphaProvider()),
             ),
         )
-
-        AppStateBanners(downloadedOnlyMode, incognitoMode)
     }
 }