Some PDFs appear blurry in preview

[rs1-es]

Note: Please write your issue only in english

Description
When previewing a PDF, sometimes the top of the file appears blurry. This bug dissapears when you zoom in and scroll down, but it shows again if you zoom out.

Steps to reproduce
Steps to reproduce the behavior:

1. Open a PDF file in kDrive to see the preview.
2. In some files the effect is more visible than others. Try to zoom in and out and scroll through file.

Expected behavior
The PDF should be clearly visible, with no blurry parts.

Screenshots

Smartphone (please complete the following information):

• Device: Motorola Moto E20
• Android version: Android 11
• App version: 5.11.4

Additional context

[LunarX]

Thanks for reporting this issue! We do reproduce this blurry PDF effect as well, we'll dig and take a look at what we can do.

[rs1-es]

I just realized that this also happens with other files, like OpenDocumentText files: