Update attachment.ts

src/app/services/attachment.ts

@@ -405,7 +405,7 @@ export class AttachmentService {
  return new Promise((resolve, reject) => {
  if (file.type && file.type.indexOf('video/') === 0) {
  if (file.size > 3900000000) {
- throw new Error('File exceeds 1.9GB maximum size. Please try compressing your file.');
+ throw new Error('File exceeds 3.9GB maximum size. Please try compressing your file.');
  }
  
  this.attachment.mime = 'video';