* Opens by default the newly created tab in tree view

* Adds a command to open the file browser when in tree view, which also fixes the broken menu entry 'file Browser' in view

* (1) Remove the menu entry 'Open Files' in tree view, which was opening a new browser tab with the same contents, and was like a duplication of 'File Browser' entry, and (2) rename the menu entry 'Open Files' to 'File Browser' for consistency

* Add test on 'File Browser' menu entry

* Fix pre-commit

* Fix test on File Browser menu entry

* update snapshots of view menu

* Do not activate newly created tree tab by default

* Do not add 'openTree' command if it already exists (meaning that the current page contains a filebrowser plugin)

* Wait for the file browser commands from JupyterLab to be fully created before create a new one

* File Browser menu entry execution depends on the current page ('tree' or other)

* Add the dependency to @jupyter-notebook/tree in application-extension

* Fix typo

* Remove dependency to tree in application-extension

* Clean unused dependency

* Delete a remaining comment

* Add the Settings Editor to the landing page

* Fix tab panel tabs

* Do not include JSON editor for now

* Hide Settings Editor command from the menu

* Update yarn.lock

* Fix integrity

* Fix yarn.lock and resolutions

* Update yarn.lock

* Allow adding and closing the settings editor

* Do not include JSON editor for now

* Update snapshots

* More snapshot updates

* More snapshot update

* Fix resolutions

* Add back `# type:ignore`

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

* Fix console error when adding a widget to a side panel

* Remove child-added logic

* add releaser workflows

* add workflow files

* help-extension split into multiple plugins

* Update packages/help-extension/src/index.tsx

Co-authored-by: Jeremy Tuloup <jeremy.tuloup@gmail.com>

* rename schema json file

Co-authored-by: Jeremy Tuloup <jeremy.tuloup@gmail.com>