patch 9.1.1889: filetype: not all AppleScript files are recognized

Problem:  filetype: not all AppleScript files are recognized
Solution: Detect *.applescript files as applescript filetype
          (Samuel Huang)

Reference:
https://en.wikipedia.org/wiki/AppleScript

closes: #18672

Signed-off-by: Samuel Huang <hi@sgh.ng>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/autoload/dist/ft.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim functions for file type detection
 #
 # Maintainer:		The Vim Project <https://github.com/vim/vim>
-# Last Change:		2025 Oct 28
+# Last Change:		2025 Oct 31
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -1659,6 +1659,7 @@ const ft_from_ext = {
   # XA65 MOS6510 cross assembler
   "a65": "a65",
   # Applescript
+  "applescript": "applescript",
   "scpt": "applescript",
   # Applix ELF
   "am": "elf",

src/testdir/test_filetype.vim

@@ -114,7 +114,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     apachestyle: ['/etc/proftpd/file.config,/etc/proftpd/conf.file/file', '/etc/proftpd/conf.file/file', '/etc/proftpd/file.conf', '/etc/proftpd/file.conf-file',
       'any/etc/proftpd/conf.file/file', 'any/etc/proftpd/file.conf', 'any/etc/proftpd/file.conf-file', 'proftpd.conf', 'proftpd.conf-file'],
     apkbuild: ['APKBUILD'],
-    applescript: ['file.scpt'],
+    applescript: ['file.scpt', 'file.applescript'],
     aptconf: ['apt.conf', '/.aptitude/config', 'any/.aptitude/config'],
     arch: ['.arch-inventory', '=tagging-method'],
     arduino: ['file.ino', 'file.pde'],

src/version.c

@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1889,
 /**/
     1888,
 /**/