fix(QUploader): Facotory can't working (fix: #4165) (#4170)
fix(QUploader): Facotory can't working (fix: #4165) (#4170)

* Update uploader-xhr-mixin.js

* Update uploader-xhr-mixin.js

fsgiudice/quasar,quasarframework/quasar,fsgiudice/quasar,rstoenescu/quasar-framework,rstoenescu/quasar-framework,rstoenescu/quasar-framework,pdanpdan/quasar,pdanpdan/quasar,quasarframework/quasar,pdanpdan/quasar,fsgiudice/quasar,quasarframework/quasar,quasarframework/quasar,pdanpdan/quasar