fix: tool calling (#2297)

lua/avante/llm_tools/write_to_file.lua

@@ -58,7 +58,10 @@ M.returns = {
 --- IMPORTANT: Using "the_content" instead of "content" is to avoid LLM streaming generating function parameters in alphabetical order, which would result in generating "path" after "content", making it impossible to achieve a stream diff view.
 ---@type AvanteLLMToolFunc<{ path: string, content: string, the_content?: string, streaming?: boolean, tool_use_id?: string }>
 function M.func(opts, on_log, on_complete, session_ctx)
-  if opts.the_content ~= nil then opts.content = opts.the_content end
+  if opts.the_content ~= nil then
+    opts.content = opts.the_content
+    opts.the_content = nil
+  end
   if not on_complete then return false, "on_complete not provided" end
   local abs_path = Helpers.get_abs_path(opts.path)
   if not Helpers.has_permission_to_access(abs_path) then return false, "No permission to access path: " .. abs_path end