Action.firstActionOnAdapter Method
        
 Helper method to get the first action of a type on an adapter.
 This method will check the appropriate action array based on which adapter is given, and the type of the action.
 
         
         
        
            
 This method is static. 
        Parameters
        
            - adapter
            
 
            - 
                
Type: Adapter
The adapter to check for the action of that type. 
            - actionType
            
 
            - 
                
Type: ActionType
The type of action to check for. 
            - relatedContextData
            
 
            - 
                
Type: RelatedContextData
(optional) The related context data.
Optional: True 
        
        Return Value
        
Type: Action - May be null
The found action, or null.