LPS-42643 Retrieve template help content from the right classLoader
LPS-42643 SF
LPS-42653 We want NoSuchFileEntryTypeException to be thrown if it doesn't exist
LPS-42654
SEMVER com.liferay.portal.kernel.portletdisplaytemplate, increment version
SEMVER com.liferay.portal.kernel.template, @ProviderType, increment version