fix(lualine): conditional theme loading (#2363)

lua/lvim/core/lualine/styles.lua

@@ -127,9 +127,6 @@ end
 
 function M.update()
   local style = M.get_style(lvim.builtin.lualine.style)
-  if lvim.builtin.lualine.options.theme == nil then
-    lvim.builtin.lualine.options.theme = lvim.colorscheme
-  end
 
   lvim.builtin.lualine = vim.tbl_deep_extend("keep", lvim.builtin.lualine, style)
 end

lua/lvim/core/lualine/utils.lua

@@ -1,7 +1,7 @@
 local M = {}
 
 function M.validate_theme()
-  local theme = lvim.builtin.lualine.options.theme
+  local theme = lvim.builtin.lualine.options.theme or "auto"
   if type(theme) == "table" then
     return
   end

lua/lvim/plugins.lua

@@ -55,6 +55,7 @@ return {
     "lunarvim/onedarker.nvim",
     config = function()
       require("onedarker").setup()
+      lvim.builtin.lualine.options.theme = "onedarker"
     end,
     disable = lvim.colorscheme ~= "onedarker",
   },