Use hidden suggestions also for replace dialog

data/core/init.lua

@@ -497,6 +497,7 @@ function core.init()
   core.redraw = true
   core.visited_files = {}
   core.previous_find = {}
+  core.previous_replace = {}
   core.restart_request = false
   core.quit_request = false
   core.replacements = whitespace_replacements()