Ignore whitespace does not work in Log [2] view

[Kamilcuk]

Describe the bug
Hi, truly an amazing project, and thank you for making it. I can click . for more options, type o for options, and then navigate to "Ignore whitespace" and change to true.

This works (!) thank you. But it only works for "Status [1]" view. But it does not work for "Log [2]" view after navigating to a commit.

To Reproduce
Steps to reproduce the behavior:

1. click . for more options
2. type o for options
3. navigate to "Ignore whitespace"
4. Change it to true
5. click tab to open Log [2]
6. choose commit with up/down arrows
7. press enter
8. choose file with up/down arrows
9. when seeing file commit diff on the right whitespaces are still visible

Expected behavior
No whitespaces in dif.

Screenshots

Context (please complete the following information):

• OS/Distro + Version: Fedora29
• GitUI Version 0.22.1
• Rust version: no rust on the machine

Additional context
I tried following https://github.com/extrawurst/gitui/blob/master/src/tabs/revlog.rs to find missing link of options. I see at

gitui/asyncgit/src/sync/commit_files.rs

Line 24 in 289eddd

get_compare_commits_diff(&repo, (id, other), None, None)?

the options are not passed, but I do not know about the codebase.

I posted first on #1147 but then created new issue.

[Kamilcuk]

Thank you sir