ProxyModeThreadLocal.isForceSync() should be transalted to commit immediately

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 M7
• Fix Version/s: 7.0.0 M7
• Component/s: Search Infrastructure, Testing, Testing > CI environments
• Labels: None
• Story Points: 1
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/28956

Tests with @Sync expect indexed results are searchable immediately, we need to enforce this translation to prevent random search failure in arquillian tests, as they run in real tomcat, the work around of PortalRunMode.isTestMode() does not apply to them.