nvim: FormatDisable disables globally with a bang

Switch the functionality of `FormatDisable` command around: Disables for
the local buffer by default and disables globally if called with a bang.

nvim/.config/nvim/lua/plugins/ide.lua

@@ -141,7 +141,9 @@ return {
 				"stevearc/conform.nvim",
 				config = function()
 					require("conform").setup({
+
 						lsp_format = "fallback",
+
 						format_after_save = function(bufnr)
 							if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
 								return
@@ -152,10 +154,10 @@ return {
 					})
 					vim.api.nvim_create_user_command("FormatDisable", function(args)
 						if args.bang then
-							-- FormatDisable! will disable formatting just for this buffer
-							vim.b.disable_autoformat = true
-						else
 							vim.g.disable_autoformat = true
+						else
+							-- FormatDisable! will disable formatting globally
+							vim.b.disable_autoformat = true
 						end
 					end, {
 						desc = "Disable formatting on save",