Adds protection for undefined rows (seen in logs)

* Sends command args through to graph when it is in a view

Adds missing repository set flag

* Reverts webview changes, converts uri to repo before passing through

Refines workspace repo nodes

See https://github.com/microsoft/TypeScript/issues/50971

Removes GK prefix from workspace types

Adds types for tree view commands

Fixes the same for worktrees

* Provide CSS "stats" and "scroll marker" variables to the graph component by using the "cssVariables" property

* Updates graph dependency

* Formatting

---------

Co-authored-by: Ramin Tadayon <ramin.tadayon@gitkraken.com>