patch 8.2.4263: no test for the GUI find/replace dialog

Problem:    No test for the GUI find/replace dialog.
Solution:   Add a test function and a test. (Yegappan Lakshmanan,
            closes #9662)
diff --git a/src/version.c b/src/version.c
index 159a90e..b37d0a8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4263,
+/**/
     4262,
 /**/
     4261,