nvim: add winbar with file name to inacrtive windows

.config/nvim/lua/my/tools.lua

@@ -106,6 +106,9 @@ require('lualine').setup({
         lualine_z = { { 'location' }, { '"🍄"', padding = 0 }
         }
     },
+    inactive_winbar = {
+        lualine_c = { { 'filename', cond = not_firenvim } },
+    },
 })
 
 map('n', '<Leader>B', require('bug-reference').open, 'Open bug under cursor')