Trigger Handler functionality (small bugfix)

A trigger handler based on trigger actions configured via custom metadata. It separates the trigger logic per class, and is utilizing the fflib_UnitOfWork to execute the trigger actions.

Signed-off-by: WimVelzeboer <wimvelzeboer@protonmail.com>

sfdx-source/apex-extensions/main/triggerHandler/classes/fflib_TriggerHandler.cls

@@ -149,7 +149,8 @@ public virtual with sharing class fflib_TriggerHandler
 
 	private fflib_ITriggerContext getTriggerContext()
 	{
-		if (triggerContext == null) constructTriggerContext();
+		if (triggerContext == null) triggerContext = constructTriggerContext();
+
 		return triggerContext;
 	}
 }