For example, `malformed custom board options` was incorrectly detected
as loading JSON index file error.

Closes #1036

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Closes #1031

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

* test interval for output panel

* create buffer provider

* output panel buffer corrections

* output buffer cleanup

* code cleanup

Closes #977

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Removed:
 - `New File`,
 - `New Window`.

Closes #1014.

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Closes #608
Closes #229

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

* rename Cloud Sketchbook in Remote Sketchbook

* add tooltips for Sync and Account buttons

 - Removed `@theia/editor-preview`,
 - Patched opener options when repairing layout on start, and
 - Compare widget keys with deepEquals instead of string equal.

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

* 1032 failing upload flag for monitor mgr

* move upload failure fix logic to frontend

* misc corrections

* avoid starting monitor when upload is in progress

* avoid starting monitor when upload is in progress

* prevent monitor side effects on upload (WIP)

* send upload req after notifying mgr

* dispose instead of pause on upld (code not final)

* Revert "dispose instead of pause on upld (code not final)"

This reverts commit 2d5dff2.

* force wait before upload (test)

* always start queued services after uplaod finishes

* test cli with monitor close delay

* clean up unnecessary await(s)

* remove unused dependency

* revert CLI to 0.23

* use master cli for testing, await in upload finish

* remove upload port from pending monitor requests

* fix startQueuedServices

* refinements queued monitors

* clean up monitor mgr state

* fix typo from prev cleanup

* avoid dupl queued monitor services

* variable name changes

* reference latest cli commit in package.json

Co-authored-by: Alberto Iannaccone <a.iannaccone@arduino.cc>

Closes #969
Upstream-ref: eclipse-theia/theia#11217

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>