fix: Make space key mapping silent for FZFRoot

Author: tony

autoload/settings.vim

@@ -86,7 +86,7 @@ function! settings#LoadSettings() abort
     if exists('*fzf#wrap') && exists('*FindRootDirectory')
       command! -bang FZFRoot
         \ call fzf#run(fzf#wrap({'dir': FindRootDirectory()}, <bang>0))
-      nmap <space> :<C-u>FZFRoot<CR>
+      nmap <silent> <space> :<C-u>FZFRoot<CR>
     endif
 
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