feat(keymaps): dynamic which-key icons/descriptions for toggles (#4050)

## Description

<!-- Describe the big picture of your changes to communicate to the
maintainers
  why we should accept this pull request. -->

## Related Issue(s)

- [ ] Closes #4025

## Screenshots


![image](https://github.com/user-attachments/assets/8453c23c-d560-490c-9f96-a22ea88f45fd)

## Checklist

- [ ] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/plugins/lsp/init.lua

@@ -7,9 +7,9 @@ return {
       "mason.nvim",
       { "williamboman/mason-lspconfig.nvim", config = function() end },
     },
-    ---@class PluginLspOpts
     opts = function()
-      return {
+      ---@class PluginLspOpts
+      local ret = {
         -- options for vim.diagnostic.config()
         ---@type vim.diagnostic.Opts
         diagnostics = {
@@ -114,6 +114,7 @@ return {
           -- ["*"] = function(server, opts) end,
         },
       }
+      return ret
     end,
     ---@param opts PluginLspOpts
     config = function(_, opts)
@@ -150,7 +151,7 @@ return {
               and vim.bo[buffer].buftype == ""
               and not vim.tbl_contains(opts.inlay_hints.exclude, vim.bo[buffer].filetype)
             then
-              LazyVim.toggle.inlay_hints(buffer, true)
+              vim.lsp.inlay_hint.enable(true, { bufnr = buffer })
             end
           end)
         end