fixed up duplicate is-collapsed classes

this saves a load of computational stuff happening in the template
the data the template recieves is the data that should be rendered

Closes #45412

Improves the web IDE commit message imput by highlighting any characters
on the first line after 50 & every other line after 72

Closes #44832

Closes #45326

fixed bug where unstaged file when discarded would not take staged file
changes

added spec to check for `head` file

fixed files getting into an opened & active state when it shouldnt

fixed `key` not being set to correct value

fixes eslint

Closes #44305

Added comment for `key` usage

Changes the IDE sidebar min width to be 340px to make it more usable
after resizing.

Closes #44836

fixed icon not showing correctly in tab

simplified SET_FILE_ACTIVE openFiles map
use .find in router so that it returns early instead of looping all the
values