Support additional sticker states

Co-authored-by: scott@signal.org
Co-authored-by: ken@signal.org

ts/state/smart/StickerPreviewModal.tsx

@@ -3,7 +3,7 @@ import { mapDispatchToProps } from '../actions';
 import { StickerPreviewModal } from '../../components/stickers/StickerPreviewModal';
 import { StateType } from '../reducer';
 
-import { getIntl, getStickersPath } from '../selectors/user';
+import { getIntl, getStickersPath, getTempPath } from '../selectors/user';
 import {
   getBlessedPacks,
   getPacks,
@@ -18,33 +18,17 @@ type ExternalProps = {
 const mapStateToProps = (state: StateType, props: ExternalProps) => {
   const { packId } = props;
   const stickersPath = getStickersPath(state);
+  const tempPath = getTempPath(state);
+
   const packs = getPacks(state);
   const blessedPacks = getBlessedPacks(state);
   const pack = packs[packId];
 
-  if (!pack) {
-    throw new Error(`Cannot find pack ${packId}`);
-  }
-  const translated = translatePackFromDB(
-    pack,
-    packs,
-    blessedPacks,
-    stickersPath
-  );
-
   return {
     ...props,
-    pack: {
-      ...translated,
-      cover: translated.cover
-        ? translated.cover
-        : {
-            id: 0,
-            url: 'nonexistent',
-            packId,
-            emoji: 'WTF',
-          },
-    },
+    pack: pack
+      ? translatePackFromDB(pack, packs, blessedPacks, stickersPath, tempPath)
+      : undefined,
     i18n: getIntl(state),
   };
 };