Fix crash with gif covers in manga details + more pading for category headers

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

@@ -87,7 +87,7 @@ class LibraryHeaderItem(private val categoryF: (Int) -> Category, val catId: Int
 
         fun bind(category: Category) {
             sectionText.updateLayoutParams<ConstraintLayout.LayoutParams> {
-                topMargin = (if (category.isFirst == true) 2 else 32).dpToPx
+                topMargin = (if (category.isFirst == true) 2 else 44).dpToPx
             }
 
             if (category.isFirst == true && category.isLast == true) sectionText.text = ""

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

@@ -446,7 +446,7 @@ LibraryListController(bundle: Bundle? = null) : LibraryController(bundle),
                     view?.rootWindowInsets?.systemWindowInsetTop ?: 0
                 ) ?: 0f).roundToInt() + 30.dpToPx
             (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(
-                headerPosition, (if (headerPosition == 0) 0 else (-28).dpToPx) + appbarOffset
+                headerPosition, (if (headerPosition == 0) 0 else (-40).dpToPx) + appbarOffset
             )
 
             /*val headerItem = adapter.getItem(headerPosition) as? LibraryHeaderItem

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt

@@ -338,8 +338,8 @@ class MangaDetailsController : BaseController,
                     transition: Transition<in Drawable>?
                 ) {
                     coverDrawable = resource
-                    Palette.from(
-                        (resource as BitmapDrawable).bitmap).generate {
+                    val bitmapCover = resource as? BitmapDrawable ?: return
+                    Palette.from(bitmapCover.bitmap).generate {
                         if (recycler == null) return@generate
                         val currentNightMode =
                             recycler.resources!!.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK