feat(ui): use mini.icons instead of nvim-wev-devicons (#3899)

## What is this PR for?

Replace the icon support with the new mini library

## Blockers

- [ ]
https://github.com/echasnovski/mini.nvim/issues/1007#issuecomment-2206553024

lua/lazyvim/plugins/ui.lua

@@ -303,7 +303,17 @@ return {
   },
 
   -- icons
-  { "nvim-tree/nvim-web-devicons", lazy = true },
+  {
+    "echasnovski/mini.icons",
+    lazy = true,
+    opts = {},
+    init = function()
+      package.preload["nvim-web-devicons"] = function()
+        require("mini.icons").mock_nvim_web_devicons()
+        return package.loaded["nvim-web-devicons"]
+      end
+    end,
+  },
 
   -- ui components
   { "MunifTanjim/nui.nvim", lazy = true },