- Controlled by the `gitlens.graph.experimental.location` setting

- converts participants label to an icon
- updates action links to buttons
- updates vertical alignment of table cells

- Never implicitly pins
 - "Soft" pins on file interaction (resets on focus or commit change)

Joins html & bootstrap/etc loading together for better perf
Fixes incorrect placement token replacement

- Supports separate registration and instantiation
 - Supports webview provider code-splitting

Renames file to be clearer it is a generated file

* Sends upstream id on a local branch ref to graph

* Avoids creating (allocating) & spreading an object

* Updates graph dependency

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Co-authored-by: Eric Amodio <eamodio@gmail.com>