fix layout size problem

standalone_output.ly

@@ -10,6 +10,14 @@ verselayout = \layout {
     \override ChordName.font-size = \songTextChordFontSize
   }
 }
+
+LAYOUT = \layout {
+  \LAYOUT
+  #(let
+    ((custom-size (ly:output-def-lookup LAYOUT 'size #f)))
+    (if custom-size (layout-set-staff-size custom-size)))
+}
+
 TEXT = \markuplist {
   \override #`(transposition . ,TRANSPOSITION)
   \override #`(verselayout . ,verselayout)

verses_with_chords.ly

@@ -263,6 +263,9 @@
           >>
           \layout {
             \verselayout
+            #(let
+              ((custom-size (ly:output-def-lookup verselayout 'size #f)))
+              (if custom-size (layout-set-staff-size custom-size)))
             ragged-right = ##t
             \context {
               \Lyrics