Trilium-py

There are no database/sync changes so it's possible to switch between 0.46 and 0.47-beta versions.

* platform upgrades:
* electron upgrade from v9 to v13 (beta)
* nodejs from 12.X to 14.16.1
* CKEditor upgrade from v24 to v27.1
* codemirror upgrade to v 5.60.0
* delete notes dialog has a preview of what notes will be deleted and broken relations
* new sync status widget next to the global menu
* empty new tab shows a list of workspaces to quickly enter
* image notes can be zoomed and panned with mousewheel/dragging
* dragging a tab up/down will detach the tab to a new window (chrome style)
* new windows are now full containing e.g. note tree and other widgets (previously new window has note detail view only)
* audio/video are previewed in the note list
* audio/video files are served over streaming API so that they can be seeked
* any note can be opened "externally" by the associated application, temporary file is watched for changes and Trilium will offer to upload the changed version back

**This is a beta release and can contain serious bugs. Use for evaluation only.**

There are no database/sync changes so it's possible to switch between 0.46 and 0.47-beta versions.

* platform upgrades:
* electron upgrade from v9 to v13 (beta)
* nodejs from 12.X to 14.16.1
* CKEditor upgrade from v24 to v27
* codemirror upgrade to v 5.60.0
* delete notes dialog has a preview of what notes will be deleted and broken relations
* new sync status widget next to the global menu
* empty new tab shows a list of workspaces to quickly enter
* image notes can be zoomed and panned with mousewheel/dragging
* dragging a tab up/down will detach the tab to a new window (chrome style)
* new windows are now full containing e.g. note tree and other widgets (previously new window has note detail view only)

v0.46.8 has been skipped.

Changes:
* use entity changes instead of actual tables to fill in sector to sync 1809
* fix lexer to parse correctly quoted empty strings, 1825
* improved task manager with allowed year range, 1823
* fix inheriting inheritable attributes through template, 1828
* ctrl + click / middle click now opens image in a text note in a new tab
* clipper fix, 1840
* use official `gh` client instead of `github-release` to execute releases
* clear note selection anytime a new note is activated
* fix moving notes with keyboard on Firefox 1865

* 1810 \[Bug\] Strange behaviour for protected notes titles
* other small bugfixes