vim-patch:d15c718: runtime(compiler): fix space escape in pyright

closes: vim/vim#19354

https://github.com/vim/vim/commit/d15c71803873f9165c931af31d86473329682b19

Co-authored-by: Mao-Yining <mao.yining@outlook.com>

runtime/compiler/pyright.vim

@@ -1,7 +1,7 @@
 " Vim compiler file
 " Compiler:     Pyright (Python Type Checker)
 " Maintainer:   @konfekt
-" Last Change:  2025 Dec 26
+" Last Change:  2025 Feb 7
 
 if exists("current_compiler") | finish | endif
 let current_compiler = "pyright"
@@ -18,7 +18,7 @@ CompilerSet errorformat=
       \%E%f:%l:%c\ -\ error:\ %m,
       \%W%f:%l:%c\ -\ warning:\ %m,
       \%N%f:%l:%c\ -\ note:\ %m,
-      \%C[ \t]\ %.%#,
+      \%C[\ \t]\ %.%#,
       \%-G%.%#
 
 let &cpo = s:cpo_save