Search commit message/code segment in `filter-by-path` mode

**Is your feature request related to a problem? Please describe.**
When in filter by path mode (to see the changes for the file I want to focus), I also want to search the commit message (or even diff if performance is reasonable)

**Describe the solution you'd like**
Search functionality in filter-by-path mode

**Describe alternatives you've considered**
Hard to find

**Additional context**
Command not available for now.
Note that this seems to be different from https://github.com/jesseduffield/lazygit/issues/3125