* remove unfinished polygon and remove selectable for shapes in polygon mode
* make group and polygon position remain inside canvas area
* click through transparent area in grouped object
* add some shortcuts for basic usages
* tools button icon in center & switch mode border
* fix load svg image
* basic rtl support, panzoom have issues in rtl mode
* better zoom option both in ltr and rtl
* handle zoom event in mask editor
* add h button to handle toggle mask
* add more mime type
* use capital M (shift+m) for toggle mask
* allow io shortcuts in mask editor only
* make other shapes also remain in canvas bound area
* better zoom implementation, zoom from center
add zoom to resize event listener
* add a border to corner to handle blend of control
* add refresh button to go to selection menu
* add tooltip to shortcuts and also add shortcut for other tools
* make opacity remain in same state when toggled on
* opacity for group/ungroup objects
* update shortcuts implementation
* setup mask editor in note editor
- add image on mask button click (only one time)
- show hide add button for io on notetype change
- hide field in io notetype
- icon for toggle
and replace image
* add update io notes
* Tidy up i/o notetype check and fix error
- Make it a method on editor
- Use .get(), because the setting doesn't exist on older notetypes
- Pass the bool value into the ts code, instead of the enum
* reset io page after adding
* remove adjust function & add target for mask editor
* handle browse mode & merged sidetoolbar and toptoolbar to toolbar
* fix: shape, button click in browse, dropdown menu
* add arrow to add button
* store for handling visiblity of maskeditor
- remove update button in edit mode, implement autoupdate
* update var name
* simplify store
