Bugfix/speech input on Safari/iOS (#1971)

* debug to identify

* Safari sends audio file as mp4 and nor webp

* Safari on iOS needs special handling

* lint fixes

* updated condition

* Remove unused import

---------

Co-authored-by: Ilango <rajagopalilango@gmail.com>

packages/server/src/utils/buildChatflow.ts

@@ -66,6 +66,7 @@ export const utilBuildChatflow = async (req: Request, socketIO?: Server, isInter
             fileUploads = incomingInput.uploads
             for (let i = 0; i < fileUploads.length; i += 1) {
                 const upload = fileUploads[i]
+
                 if ((upload.type === 'file' || upload.type === 'audio') && upload.data) {
                     const filename = upload.name
                     const dir = path.join(getStoragePath(), chatflowid, chatId)
@@ -83,7 +84,7 @@ export const utilBuildChatflow = async (req: Request, socketIO?: Server, isInter
                 }
 
                 // Run Speech to Text conversion
-                if (upload.mime === 'audio/webm') {
+                if (upload.mime === 'audio/webm' || upload.mime === 'audio/mp4') {
                     let speechToTextConfig: ICommonObject = {}
                     if (chatflow.speechToText) {
                         const speechToTextProviders = JSON.parse(chatflow.speechToText)