cre 2-pages: rename toggle to "Dual Pages" (#4788)

frontend/ui/data/creoptions.lua

@@ -32,7 +32,7 @@ local CreOptions = {
             },
             {
                 name = "visible_pages",
-                name_text = S.TWO_PAGES,
+                name_text = S.DUAL_PAGES,
                 toggle = {S.OFF, S.ON},
                 values = {1, 2},
                 default_value = 1,

frontend/ui/data/strings.lua

@@ -3,7 +3,7 @@ local _ = require("gettext")
 local S = {}
 
 S.SCREEN_MODE = _("Orientation")
-S.TWO_PAGES = _("Two Pages")
+S.DUAL_PAGES = _("Dual Pages")
 S.PAGE_CROP = _("Page Crop")
 S.FULL_SCREEN = _("Full Screen")
 S.SCROLL_MODE = _("Scroll Mode")