Prepare v3.6.0

Change survey date to 22nd

Add the new inspector icon

Fixes Dart-Code#1323.

Fix tests for optional new in Flutter widget assists

Force quit 10 seconds after test run finishes

Improve update speed of Closing Labels by validating the label data

Fixes Dart-Code#2011.

Handle errors when invoking getters

Fixes Dart-Code#1992.

Prepare v3.5.1

Prepare v3.5.0

Fix breakpoint line off-by-one-error