vim: Import v8.2.4548

* 8.2.4548: script-local function is deleted when used in a funcref
* 8.2.4547: the neXTaw GUI is old and does not work well
* 8.2.4546: duplicate #undef
* 8.2.4545: MS-Windows: the installed icon is low resolution
* 8.2.4544: Coverity warnings for not using returned value
* 8.2.4543: Coverity warning for refactored tag search code

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.4542](https://github.com/vim/vim/commit/873f8243f6feadec72d9bf6203e550cc1b66611a): Vim9: "break" inside try/catch not handled correctly\n* [8.2.4541](https://github.com/vim/vim/commit/e406ff87c86de9da2d02d0e5ebbbf5c5eac051a6): Crash in debugger when a variable is not available\n* [8.2.4540](https://github.com/vim/vim/commit/1b1df95f1a84cbc362e32f676f1e135aa2e7fc3c): line number for error is off by one\n* [8.2.4539](https://github.com/vim/vim/commit/53ba6ca5b27248680e368340707ad4b32a82591f): when comparing special v:none and v:null are handled the same\n* [8.2.4538](https://github.com/vim/vim/commit/bf40e90dfeb1d3d0280077e65782beb3fee31c9f): the find\_tags\_in\_file() function is too long\n* [8.2.4537](https://github.com/vim/vim/commit/48f83c31d14702b40ad0bf3c61091871d9db072d): output from linter and language server shows up in git\n* [8.2.4536](https://github.com/vim/vim/commit/cf6662082f89de3458c69c4390055ab99aa7dd22): debugger test fails when breaking on expression\n* [8.2.4535](https://github.com/vim/vim/commit/81da16b53fbf804a3cd32bc15313c96444b71484): filename modifer ":8" removes the filename\n* [8.2.4534](https://github.com/vim/vim/commit/f8691004b069f67becd657a02100d7521d1255a9): Vim9: "is" operator with empty string and null returns true
+* [8.2.4548](https://github.com/vim/vim/commit/fb43cfc2c6a003b850343bfd27cb3059c734d7d4): script-local function is deleted when used in a funcref\n* [8.2.4547](https://github.com/vim/vim/commit/f52fac2ed94e6acc9612103c6c6f55660cc695c8): the neXTaw GUI is old and does not work well\n* [8.2.4546](https://github.com/vim/vim/commit/0a4e098f32f3c83273ff63c02c8d0d5cdd7c897c): duplicate #undef\n* [8.2.4545](https://github.com/vim/vim/commit/176711f06966f6691a29c410e4693bf14e0f3d74): MS-Windows: the installed icon is low resolution\n* [8.2.4544](https://github.com/vim/vim/commit/dbf8094b17781ab1db191cf690e59c79f508a50f): Coverity warnings for not using returned value\n* [8.2.4543](https://github.com/vim/vim/commit/20fb28b1dcc092787e1a7b22dcfcfe1e46e29813): Coverity warning for refactored tag search code