Scrolling through a large introduction is very slow

[LAfricain]

Describe the bug
Scrolling through a large introduction is very slow. The problem is also that when a bible has an introduction, it's not shown first, it's the chapter 1 shown first.

Bug was found on AndBible version
version 5.0.841

To Reproduce
Steps to reproduce the behavior:

1. Install FreVulgGlaire (french bible)
2. Try to scroll in the Genesis introduction (before the chapter one)
3. Very slow...

Expected behavior
The same scroll as in the book itself.

Screenshots
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Smartphone (please complete the following information):

• Device: [e.g. Samsung Galaxy J5]
• OS: [eOS/Android]
• Version [10.0]

Additional context
Add any other context about the problem here.