fix: call update_screen during cmdpreview to fix cursor movement. Fixes

#131

lua/noice/ui/cmdline.lua

@@ -196,6 +196,7 @@ M.position = nil
 ---@param line number
 ---@param byte number
 function M.on_render(_, buf, line, byte)
+  Hacks.cmdline_force_redraw()
   local win = vim.fn.bufwinid(buf)
   if win ~= -1 then
     -- FIXME: check with cmp
@@ -236,7 +237,6 @@ function M.update()
   if cmdline then
     cmdline:format(M.message)
     Hacks.hide_cursor()
-    Hacks.cmdline_force_redraw()
     Manager.add(M.message)
   else
     Manager.remove(M.message)

lua/noice/util/ffi.lua

@@ -16,9 +16,11 @@ function M.setup()
       } HlAttrs;
       HlAttrs syn_attr2entry(int attr);
       void update_screen();
+      bool cmdpreview;
     ]]
   )
-  if not ok then
+  ---@diagnostic disable-next-line: need-check-nil
+  if not ok and not err:find("redefine") then
     error(err)
   end
   C = ffi.C

lua/noice/util/hacks.lua

@@ -230,9 +230,12 @@ function M.fix_cmp()
 end
 
 function M.cmdline_force_redraw()
-  if vim.fn.pumvisible() == 0 and vim.api.nvim_get_mode().mode == "c" and vim.fn.getcmdline():find("s/") then
-    -- HACK: this will trigger redraw during substitue
-    vim.api.nvim_input("<space><bs>")
+  local ffi = require("noice.util.ffi")
+  if ffi.cmdpreview then
+    -- HACK: this will trigger redraw during substitute and cmdpreview,
+    -- but when moving the cursor, the screen will be cleared until
+    -- a new character is entered
+    ffi.update_screen()
   end
 end