chore(toggles): use nvim_get_current_buf rahter than nvim_win_get_buf(0)

Author: mehalter

lua/astrocore/toggles.lua

@@ -186,7 +186,7 @@ end
 ---@param silent? boolean if true then do not send a notification
 function M.buffer_syntax(bufnr, silent)
   -- HACK: this should just be `bufnr = bufnr or 0` but it looks like `vim.treesitter.stop` has a bug with `0` being current
-  bufnr = (bufnr and bufnr ~= 0) and bufnr or vim.api.nvim_win_get_buf(0)
+  bufnr = (bufnr and bufnr ~= 0) and bufnr or vim.api.nvim_get_current_buf()
   local treesitter = require "astrocore.treesitter"
   local astrolsp_avail, lsp_toggle = pcall(require, "astrolsp.toggles")
   local semantic_tokens_enabled = vim.b[bufnr].semantic_tokens