default implementation for model in protocol used for vds component integration

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

MVMCoreUI/Atomic/Protocols/VDSMoleculeViewProtocol.swift

@@ -21,7 +21,11 @@ public protocol VDSMoleculeViewProtocol: MoleculeViewProtocol, MVMCoreViewProtoc
 }
 
 extension VDSMoleculeViewProtocol {
-
+    public var model: MoleculeModelProtocol {
+        get { viewModel }
+        set { }
+    }
+    
     public func set(with model: MoleculeModelProtocol, _ delegateObject: MVMCoreUIDelegateObject?, _ additionalData: [AnyHashable: Any]?) {
         self.model = model
         guard let castedModel = model as? ViewModel else { return }