chore: update demo GIF with compressed version (#1013) #3068

Job	Run time
Package	44s
Unit Test (Linux, Electron 42.3.0)	1m 20s
Unit Test (Windows, Electron 42.3.0)	3m 4s
Lint	1m 29s
Integration Test (Linux, VS Code 1.105.0)	45s
Unit Test (Linux, Electron 37)	1m 16s
Chromatic	1m 20s
Integration Test (macOS, VS Code stable)	1m 29s
Unit Test (macOS, Electron 42.3.0)	1m 41s
Integration Test (Windows, VS Code stable)	2m 10s
Integration Test (Linux, VS Code stable)	1m 1s
	16m 19s

Provide feedback