yii2-mpdf not work after update to 1.0.3 version

[JacquesMarques]

Prerequisites

• [ X] I have searched for similar issues in both open and closed tickets and cannot find a duplicate.
• [ X] The issue still exists against the latest master branch of yii2-mpdf.
• [X ] This is not an usage question. I confirm having gone through and read the documentation.
• [X ] This is not a general programming / coding question. (Those should be directed to the webtips Q & A forum).
• [X ] I have attempted to find the simplest possible steps to reproduce the issue.
• [ ] I have included a failing test as a pull request (Optional).

Steps to reproduce the issue

1. Try generate a PDF report with yii2-mpdf after update to 1,0.3 version.

Expected behavior and actual behavior

After update yii2-mpdf from version 1.0.2 to 1.0.3 I can not render a PDF page correctly, instead its show a code page

When I follow those steps, I see...

I was expecting...

Environment

Ubuntu 18.04

Browsers

• [X ] Google Chrome
• [X] Mozilla Firefox
• [ ] Internet Explorer
• [ ] Safari

Operating System

• [ ] Windows
• [ ] Mac OS X
• [ X ] Linux
• [ ] Mobile

Libraries

• jQuery version:
• yii2-mpdf version: 1.0.3

Isolating the problem

• [ ] This bug happens on the demos page
• [ ] The bug happens consistently across all tested browsers
• [ ] This bug happens when using yii2-mpdf without other plugins.