fix highlights of tab

Update fileManager.js

first discard the file, then call fileRemoved which causes the unselectCurrentFile to resave the file.

replace pipeline with learneth

fix invert learneth

add solhint

Context Menu For Plugins

Fixed file explorer bugs

changed focus methods

refactoring: style fixes, formating, linter fixes

This reverts commit 64e4ee8e96dbae05fad16deb4efc59fc523008ff.