feat(git_files): support emoji/unicode in filenames (#2943)

Pass `core.quotepath=false` to achieve this.

Could alternatively pass `-z` but that uses `\0` line termination and
complicates things.

Closes #2900

(cherry picked from commit 955e50dfed)

lua/telescope/builtin/__git.lua

@@ -35,7 +35,10 @@ git.files = function(opts)
   -- By creating the entry maker after the cwd options,
   -- we ensure the maker uses the cwd options when being created.
   opts.entry_maker = vim.F.if_nil(opts.entry_maker, make_entry.gen_from_file(opts))
-  local git_command = vim.F.if_nil(opts.git_command, { "git", "ls-files", "--exclude-standard", "--cached" })
+  local git_command = vim.F.if_nil(
+    opts.git_command,
+    { "git", "-c", "core.quotepath=false", "ls-files", "--exclude-standard", "--cached" }
+  )
 
   pickers
     .new(opts, {