crecord: add handle(next|prev)search functions

These are now just simple wrappers around `searchdirection`

mercurial/crecord.py

@@ -1953,6 +1953,16 b' are you sure you want to review/edit and'
             self.stdscr.clear()
             self.stdscr.refresh()
 
+    def handlenextsearch(self):
+        self.searchdirection(
+            _(b"Next pattern not found (press ENTER)"), forward=True
+        )
+
+    def handleprevsearch(self):
+        self.searchdirection(
+            _(b"Previous pattern not found (press ENTER)"), forward=False
+        )
+
     def handlekeypressed(self, keypressed, test=False):
         """
         Perform actions based on pressed keys.