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/tachiyomi/ui/library/LibraryScreenModel.kt

@@ -89,9 +89,6 @@ class LibraryScreenModel(
 
     var activeCategoryIndex: Int by libraryPreferences.lastUsedCategory().asState(coroutineScope)
 
-    val isDownloadOnly: Boolean by preferences.downloadedOnly().asState(coroutineScope)
-    val isIncognitoMode: Boolean by preferences.incognitoMode().asState(coroutineScope)
-
     init {
         coroutineScope.launchIO {
             combine(

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt

@@ -112,8 +112,6 @@ object LibraryTab : Tab {
                     hasActiveFilters = state.hasActiveFilters,
                     selectedCount = state.selection.size,
                     title = title,
-                    incognitoMode = !tabVisible && screenModel.isIncognitoMode,
-                    downloadedOnlyMode = !tabVisible && screenModel.isDownloadOnly,
                     onClickUnselectAll = screenModel::clearSelection,
                     onClickSelectAll = { screenModel.selectAll(screenModel.activeCategoryIndex) },
                     onClickInvertSelection = { screenModel.invertSelection(screenModel.activeCategoryIndex) },
@@ -197,10 +195,7 @@ object LibraryTab : Tab {
                         getNumberOfMangaForCategory = { state.getMangaCountForCategory(it) },
                         getDisplayModeForPage = { state.categories[it].display },
                         getColumnsForOrientation = { screenModel.getColumnsPreferenceForCurrentOrientation(it) },
-                        getLibraryForPage = { state.getLibraryItemsByPage(it) },
-                        isDownloadOnly = screenModel.isDownloadOnly,
-                        isIncognitoMode = screenModel.isIncognitoMode,
-                    )
+                    ) { state.getLibraryItemsByPage(it) }
                 }
             }
         }