fix(fzf-lua): canceling selection breaks future invocations of vim.ui…

….select

lua/dressing/select/fzf_lua.lua

@@ -13,12 +13,27 @@ M.select = function(config, items, opts, on_choice)
   end
   -- Defer the callback to allow the mode to fully switch back to normal after the fzf terminal
   local deferred_on_choice = function(...)
+    local cb = on_choice
+    on_choice = function() end
     local args = vim.F.pack_len(...)
     vim.defer_fn(function()
-      on_choice(vim.F.unpack_len(args))
+      cb(vim.F.unpack_len(args))
     end, 10)
   end
-  return ui_select.ui_select(items, opts, deferred_on_choice)
+  ui_select.ui_select(items, opts, deferred_on_choice)
+
+  -- Because fzf-lua doesn't call the on_choice function if exited (e.g. with <C-c>), we need to
+  -- add an autocmd ourselves to make sure that happens.
+  vim.api.nvim_create_autocmd("BufUnload", {
+    buffer = vim.api.nvim_get_current_buf(),
+    once = true,
+    nested = true,
+    callback = function()
+      local cb = on_choice
+      on_choice = function() end
+      cb()
+    end,
+  })
 end
 
 return M