fix(lualine): check that trouble is installed

lua/lazyvim/plugins/ui.lua

@@ -198,7 +198,7 @@ return {
       }
 
       -- do not add trouble symbols if aerial is enabled
-      if vim.g.trouble_lualine then
+      if vim.g.trouble_lualine and LazyVim.has("trouble.nvim") then
         local trouble = require("trouble")
         local symbols = trouble.statusline
           and trouble.statusline({