fix(man): pass modifiers also to :tag (#27878)

There aren't really many modifiers that take an effect on :tag (except
maybe :confirm, :unsilent, :verbose), but pass them for consistency.

runtime/lua/man.lua

@@ -716,11 +716,11 @@ function M.open_page(count, smods, args)
   local target = ('%s(%s)'):format(name, sect)
 
   local ok, ret = pcall(function()
+    smods.silent = true
+    smods.keepalt = true
     if smods.hide or (smods.tab == -1 and find_man()) then
-      vim.cmd.tag({ target, mods = { silent = true, keepalt = true } })
+      vim.cmd.tag({ target, mods = smods })
     else
-      smods.silent = true
-      smods.keepalt = true
       vim.cmd.stag({ target, mods = smods })
     end
   end)