vim-patch:8.2.3528: 'thesaurus' and 'thesaurusfunc' do not have the same scope

Problem:    'thesaurus' and 'thesaurusfunc' do not have the same scope.
Solution:   Make 'thesaurusfunc' global-local.
f4d8b76d30

src/nvim/options.lua

@@ -2538,10 +2538,10 @@ return {
     {
       full_name='thesaurusfunc', abbreviation='tsrfu',
       short_desc=N_("function used for thesaurus completion"),
-      type='string', scope={'buffer'},
+      type='string', scope={'global', 'buffer'},
       secure=true,
       alloced=true,
-      varname='p_thsfu',
+      varname='p_tsrfu',
       defaults={if_true=""}
     },
     {