Minor cleanups

Pulling out some of the smaller changes that aren't related to the manga controller changes in #7244

(cherry picked from commit 7fdbf40cd2)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/MigrationFlags.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchPresenter.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersSettingsSheet.kt

app/src/main/java/eu/kanade/presentation/util/PaddingValues.kt

@@ -4,9 +4,11 @@ import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.calculateEndPadding
 import androidx.compose.foundation.layout.calculateStartPadding
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.ReadOnlyComposable
 import androidx.compose.ui.platform.LocalLayoutDirection
 
 @Composable
+@ReadOnlyComposable
 operator fun PaddingValues.plus(other: PaddingValues): PaddingValues {
     val layoutDirection = LocalLayoutDirection.current
     return PaddingValues(

app/src/main/java/eu/kanade/presentation/util/Resources.kt

@@ -4,6 +4,8 @@ import android.content.res.Resources
 import androidx.annotation.DrawableRes
 import androidx.annotation.PluralsRes
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.ReadOnlyComposable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.graphics.painter.BitmapPainter
 import androidx.compose.ui.platform.LocalContext
@@ -18,6 +20,7 @@ import androidx.core.graphics.drawable.toBitmap
  * @return the string data associated with the resource
  */
 @Composable
+@ReadOnlyComposable
 fun quantityStringResource(@PluralsRes id: Int, quantity: Int): String {
     val context = LocalContext.current
     return context.resources.getQuantityString(id, quantity, quantity)
@@ -32,6 +35,7 @@ fun quantityStringResource(@PluralsRes id: Int, quantity: Int): String {
  * @return the string data associated with the resource
  */
 @Composable
+@ReadOnlyComposable
 fun quantityStringResource(@PluralsRes id: Int, quantity: Int, vararg formatArgs: Any): String {
     val context = LocalContext.current
     return context.resources.getQuantityString(id, quantity, *formatArgs)
@@ -46,9 +50,11 @@ fun quantityStringResource(@PluralsRes id: Int, quantity: Int, vararg formatArgs
  * @return the bitmap associated with the resource
  */
 @Composable
-fun bitmapPainterResource(@DrawableRes id: Int): BitmapPainter {
+fun rememberResourceBitmapPainter(@DrawableRes id: Int): BitmapPainter {
     val context = LocalContext.current
-    val drawable = ContextCompat.getDrawable(context, id)
-        ?: throw Resources.NotFoundException()
-    return BitmapPainter(drawable.toBitmap().asImageBitmap())
+    return remember(id) {
+        val drawable = ContextCompat.getDrawable(context, id)
+            ?: throw Resources.NotFoundException()
+        BitmapPainter(drawable.toBitmap().asImageBitmap())
+    }
 }