- Changes request failures to only disconnect the integration for the current session
 - Limits to 5 failed request before disconnecting the integration
 - Avoids disconnect prompt for current session disconnections
 - Adds don't show again to request failure messages
 - Adds integration suspension message w/ don't show again option

* update vscode git api
* force-push for non-HEAD commit & commit widget

Remembers comparison file filtering on filter/refresh
Disallows comparisons with the working tree (e.g. right side)
Disables swap when comparing from the working tree

Adds new in-memory node state storage to views

- adds command palette action

This is an ugly hack, but node-fetch doesn't seem to be able to pass `rejectUnauthorized` through on the request options properly even though we are creating a HTTPS agent with it set

Adds autolink configure command to autolinked issues & prs node

Adds line fading option to heatmap annotation

And separates the existing Gerrit provider to a new GoogleSource one.

Closes #1953