Process ANSI colors in log viewer. Close #1958 (#2063)

* WIP- Process ANSI, update monaco editor

* Process ANSI colors in log viewer. Close #1958

* RM unsed package, refactor AnsiParser.js to lib directory

* Disable eslint for src/visualizers/widgets/LogViewer/

* refactors related to export errors

* Handle addCommand, apply decorations to model

* Fix resizable observer eventloop error

* WIP- add empty line in EOF

* Spread arguments

Author: umesh-timalsina