Multi-select UI log lines for copying

[yezr]

#832 brings a number of improvements to the UI log like colored exceptions. However, you can't just select whatever text you want and copy/paste. Now, you go line by line and right click -> copy.

As @HEdingfield mentions in this comment it would be nice to be able to multi-select log lines in the UI to copy/paste. Something like enabling shift clicking or dragging across multiple lines to select multiple?

[yezr]

fixed with #842