add Rescheduled to Today section of sidebar

https://forums.ankiweb.net/t/anki-2-1-45-alpha/10061/105

ftl/core/browsing.ftl

@@ -153,6 +153,7 @@ browsing-added-today = Added
 browsing-again-today = Again
 browsing-edited-today = Edited
 browsing-sidebar-first-review = First Review
+browsing-sidebar-rescheduled = Rescheduled
 browsing-sidebar-due-today = Due
 browsing-sidebar-untagged = Untagged
 browsing-sidebar-overdue = Overdue

qt/aqt/browser/sidebar/tree.py

@@ -570,6 +570,14 @@ class SidebarTreeView(QTreeView):
             type=type,
             search_node=SearchNode(introduced_in_days=1),
         )
+        root.add_simple(
+            name=tr.browsing_sidebar_rescheduled(),
+            icon=icon,
+            type=type,
+            search_node=SearchNode(
+                rated=SearchNode.Rated(days=1, rating=SearchNode.RATING_BY_RESCHEDULE)
+            ),
+        )
         root.add_simple(
             name=tr.browsing_again_today(),
             icon=icon,