Output log window improvements

[azazellochg]

1. Search in Log panel should work with pressing Enter, not only with Search button/icon. Also next/prev. match buttons should appear (pressing enter is not obvious, also you can’t go to the previous match).
2. In log/summary panel: Right click -> Open path works only for relative paths, not absolute…
3. In Log window: “Show in a New window” button - maybe open with a text editor (the same used by Config->X in project window and Notes)? The new window has very poor interface and we should not reinvent the editor..
4. When you run a protocol with STEPS_PARALLEL, the log file is a mess with log messages from different steps/threads intermixed...this is because multiple processes write to the same log file. I don't know whether this can be solved.. Here is how it's done in Focus: non-verbose output with process / step id: