Prevent pdfgeneration from causing the same processing animation in the PastAnalyses table as running a prediction

[rahmatkhah]

Describe the bug
Prevent PDF generation from causing the same processing animation in the PastAnalyses table as running a prediction.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Docker (please complete the following information):

• Docker version: [e.g. 20.10.10, build b485636]
• docker-compose version: [e.g. 1.29.2, build 5becea4c]

Additional context
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