Multiple keyboard stroke with click crashes

[JosephSKh]

Bug report

• Node Version: 6.11.3
• Protractor Version: 5.2.2
• Angular Version: 2
• Browser(s): firefox 57.0.4
• Operating System and Version Ubuntu 16.04.3
• Your protractor configuration file

exports.config = {
	allScriptsTimeout: 40000,
	framework: 'jasmine',
	seleniumAddress: 'http://localhost:4444/wd/hub',
	specs: ['spec.js'],
	multiCapabilities: [
		{
			browserName: 'firefox'
		}
	],
	useAllAngular2AppRoots: true
}

• A relevant example test

browser.actions()
			.keyDown(protractor.Key.CONTROL)
			.mouseMove(myElement)
			.click()
			.keyUp(protractor.Key.CONTROL)
			.perform();

• Output from running the test

    UnsupportedOperationError: sendKeysToActiveElement
    Build info: version: '3.8.1', revision: '6e95a6684b', time: '2017-12-01T19:05:32.194Z'
    System info: host: 'joeub', ip: '137.202.124.99', os.name: 'Linux', os.arch: 'amd64', os.version: '4.10.0-35-generic', java.version: '1.8.0_144'

• Steps to reproduce the bug
  I'm just trying to multi select some rows in a table

[cambiph]

Having the same problem with a more recent setup:

• Firefox: 63.0
• Selenium Server: 3.14
• NPM: 5.6.0
• Node: 8.10.0
• Protractor: 5.4.1