Fix off by 1 dates (fixes #6791)

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryPresenter.kt

@@ -66,7 +66,7 @@ class HistoryPresenter : BasePresenter<HistoryController>() {
             .map { recents ->
                 val map = TreeMap<Date, MutableList<MangaChapterHistory>> { d1, d2 -> d2.compareTo(d1) }
                 val byDay = recents
-                    .groupByTo(map, { it.history.last_read.toDateKey() })
+                    .groupByTo(map) { it.history.last_read.toDateKey() }
                 byDay.flatMap { entry ->
                     val dateItem = DateSectionItem(entry.key, relativeTime, dateFormat)
                     entry.value.map { HistoryItem(it, dateItem) }

app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesPresenter.kt

@@ -84,7 +84,7 @@ class UpdatesPresenter : BasePresenter<UpdatesController>() {
             .map { mangaChapters ->
                 val map = TreeMap<Date, MutableList<MangaChapter>> { d1, d2 -> d2.compareTo(d1) }
                 val byDay = mangaChapters
-                    .groupByTo(map, { it.chapter.date_fetch.toDateKey() })
+                    .groupByTo(map) { it.chapter.date_fetch.toDateKey() }
                 byDay.flatMap { entry ->
                     val dateItem = DateSectionItem(entry.key, relativeTime, dateFormat)
                     entry.value

app/src/main/java/eu/kanade/tachiyomi/util/lang/DateExtensions.kt

@@ -112,8 +112,8 @@ fun Date.toRelativeString(
     val days = difference.floorDiv(MILLISECONDS_IN_DAY).toInt()
     return when {
         difference < 0 -> context.getString(R.string.recently)
-        difference < MILLISECONDS_IN_DAY -> context.getString(R.string.relative_time_today)
-        difference < MILLISECONDS_IN_DAY.times(range) -> context.resources.getQuantityString(
+        difference <= MILLISECONDS_IN_DAY -> context.getString(R.string.relative_time_today)
+        difference <= MILLISECONDS_IN_DAY.times(range) -> context.resources.getQuantityString(
             R.plurals.relative_time,
             days,
             days