fix: missing nerdfonts

Since wezterm upgrade its support for Nerd Fonts 3.0, we should update
the codepoints used for some of the Unicode Icons. Their code points are
changed due to breaking changes in Nerd Fonts.

lua/config/bufferline.lua

@@ -9,7 +9,7 @@ require("bufferline").setup {
       icon = "▎", -- this should be omitted if indicator style is not 'icon'
       style = "icon",
     },
-    buffer_close_icon = "",
+    buffer_close_icon = "",
     modified_icon = "●",
     close_icon = "",
     left_trunc_marker = "",

lua/config/dashboard-nvim.lua

@@ -21,25 +21,25 @@ conf.header = {
 
 conf.center = {
   {
-    icon = "  ",
+    icon = "󰈞  ",
     desc = "Find  File                              ",
     action = "Leaderf file --popup",
     key = "<Leader> f f",
   },
   {
-    icon = "  ",
+    icon = "󰈢  ",
     desc = "Recently opened files                   ",
     action = "Leaderf mru --popup",
     key = "<Leader> f r",
   },
   {
-    icon = "  ",
+    icon = "󰈬  ",
     desc = "Project grep                            ",
     action = "Leaderf rg --popup",
     key = "<Leader> f g",
   },
   {
-    icon = "  ",
+    icon = "  ",
     desc = "Open Nvim config                        ",
     action = "tabnew $MYVIMRC | tcd %:p:h",
     key = "<Leader> e v",
@@ -51,7 +51,7 @@ conf.center = {
     key = "e",
   },
   {
-    icon = "  ",
+    icon = "󰗼  ",
     desc = "Quit Nvim                               ",
     -- desc = "Quit Nvim                               ",
     action = "qa",

lua/config/lsp.lua

@@ -233,10 +233,10 @@ if utils.executable("lua-language-server") then
 end
 
 -- Change diagnostic signs.
-fn.sign_define("DiagnosticSignError", { text = "✗", texthl = "DiagnosticSignError" })
+fn.sign_define("DiagnosticSignError", { text = '🆇', texthl = "DiagnosticSignError" })
-fn.sign_define("DiagnosticSignWarn", { text = "!", texthl = "DiagnosticSignWarn" })
+fn.sign_define("DiagnosticSignWarn", { text = '⚠️', texthl = "DiagnosticSignWarn" })
-fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "DiagnosticSignInfo" })
+fn.sign_define("DiagnosticSignInfo", { text = 'ℹ️', texthl = "DiagnosticSignInfo" })
-fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
+fn.sign_define("DiagnosticSignHint", { text = '', texthl = "DiagnosticSignHint" })
 
 -- global config for diagnostic
 diagnostic.config {

lua/config/statusline.lua

@@ -130,6 +130,7 @@ require("lualine").setup {
       {
         "diagnostics",
         sources = { "nvim_diagnostic" },
+        symbols = {error = '🆇 ', warn = '⚠️ ', info = 'ℹ️ ', hint = ' '},
       },
     },
     lualine_x = {