feat(library): show set total playtime on dashboard cards

Most played and currently playing cards show the total playtime of
the game set. Use the own minutes when the API sends no total.

README.md

@@ -68,7 +68,7 @@ To Be Played is split into three repositories:
 - **Detail per platform**: the details page of a game with several platforms (or a PlayStation title on a Steam game)
   shows `PlatformsCard` above the editions: one row per platform with playtime, last played and the achievement or
   trophy progress of that platform, a total row, and a link to the edition whose page lists the achievements. The hero
-  playtime and the library card show the set total (`totalPlaytimeMinutes`); sorting and the stats stay per edition.
+  playtime and the library card show the set total (`totalPlaytimeMinutes`); sorting, stats, dashboard cards and the public profile use the set total (Core V45); per row stay the playtime history, rewards and the played / never started counts.
 - **Add a game by name** for games outside Steam (PlayStation, Switch, Xbox, physical): search IGDB, pick a hit,
   a platform and optional hours. Works without a Steam ID. Games already in ToBePlayed come first. Check several
   hits to add them at once through the import review.