refactor(keymaps): move safe keymap.set wrapper to util and add message not to use it in a personal config

lua/lazyvim/util/init.lua

@@ -320,4 +320,27 @@ function M.on_rename(from, to)
   end
 end
 
+-- Wrapper around vim.keymap.set that will
+-- not create a keymap if a lazy key handler exists.
+-- It will also set `silent` to true by default.
+function M.safe_keymap_set(mode, lhs, rhs, opts)
+  local keys = require("lazy.core.handler").handlers.keys
+  ---@cast keys LazyKeysHandler
+  local modes = type(mode) == "string" and { mode } or mode
+
+  modes = vim.tbl_filter(function(mode)
+    return not (keys.have and keys:have(lhs, mode))
+  end, modes)
+
+  -- do not create the keymap if a lazy keys handler exists
+  if #modes > 0 then
+    opts = opts or {}
+    opts.silent = opts.silent ~= false
+    if opts.remap and not vim.g.vscode then
+      opts.remap = nil
+    end
+    vim.keymap.set(modes, lhs, rhs, opts)
+  end
+end
+
 return M