fix: 上传图片, 后缀名小写; 解决oss查看image/jpeg时mime type识别为application/octet-stream

src/views/Conversations/Online/Input/MediaUpload.jsx

@@ -29,7 +29,7 @@ const ImageUpload = ({ disabled, invokeUploadFileMessage, invokeSendUploadMessag
     // 使用 FileReader 读取文件对象
     const reader = new FileReader();
     const lastDotIndex = file.name.lastIndexOf('.');
-    const suffix = file.name.slice(lastDotIndex+1);
+    const suffix = file.name.slice(lastDotIndex+1).toLocaleLowerCase();
     const baseName = file.name.slice(0, lastDotIndex);
     const rename = sanitizeFilename(baseName) + '-' + Date.now() + '.' + suffix;
     const dataUri = aliOSSHost + rename;

src/views/Conversations/Online/InputComposer.jsx

@@ -137,7 +137,7 @@ const InputComposer = ({ mobile }) => {
     }
     // 使用 FileReader 读取文件对象
     const reader = new FileReader();
-    const suffix = file.name.slice(file.name.lastIndexOf('.') + 1);
+    const suffix = file.name.slice(file.name.lastIndexOf('.') + 1).toLocaleLowerCase();
     const newName = `${uuid()}.${suffix}`; // rename ? `${uuid()}.${suffix}` : file.name;
     const dataUri = aliOSSHost + newName;
     const msgObj = {