patch 8.2.2249: termcodes test is flaky when used over ssh

Problem:    Termcodes test is flaky when used over ssh with X forwarding.
Solution:   Set 'mousetime' to a larger value. (Dominique Pellé, closes #7576,
            closes #7563)

src/testdir/test_termcodes.vim

@@ -851,7 +851,10 @@ func Test_term_mouse_multiple_clicks_to_visually_select()
   let save_term = &term
   let save_ttymouse = &ttymouse
   call test_override('no_query_mouse', 1)
-  set mouse=a term=xterm mousetime=200
+  
+  " 'mousetime' must be sufficiently large, or else the test is flaky when
+  " using a ssh connection with X forwarding; i.e. ssh -X (issue #7563).
+  set mouse=a term=xterm mousetime=600
   new
 
   for ttymouse_val in g:Ttymouse_values + g:Ttymouse_dec

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2249,
 /**/
     2248,
 /**/