added inverted

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

MVMCoreUI/Atomic/Atoms/FormFields/FormFieldModel.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import VDS
 
 @objcMembers open class FormFieldModel: MoleculeModelProtocol, FormFieldProtocol, FormRuleWatcherFieldProtocol, UIUpdatableModelProtocol {
     
@@ -28,6 +29,9 @@ import Foundation
     public var fieldKey: String?
     public var groupName: String = FormValidator.defaultGroupName
     public var baseValue: AnyHashable?
+    
+    public var inverted: Bool = false
+    public var surface: Surface { inverted ? .dark : .light }
 
     public var dynamicErrorMessage: String? {
         didSet {
@@ -66,6 +70,7 @@ import Foundation
         case required
         case fieldKey
         case groupName
+        case inverted
     }
     
     //--------------------------------------------------
@@ -103,6 +108,10 @@ import Foundation
         readOnly = try typeContainer.decodeIfPresent(Bool.self, forKey: .readOnly) ?? false
         fieldKey = try typeContainer.decodeIfPresent(String.self, forKey: .fieldKey)
         groupName = try typeContainer.decodeIfPresent(String.self, forKey: .groupName) ?? FormValidator.defaultGroupName
+        
+        if let inverted = try typeContainer.decodeIfPresent(Bool.self, forKey: .inverted) {
+            self.inverted = inverted
+        }
     }
     
     open func encode(to encoder: Encoder) throws {
@@ -116,5 +125,6 @@ import Foundation
         try container.encode(readOnly, forKey: .readOnly)
         try container.encode(enabled, forKey: .enabled)
         try container.encode(required, forKey: .required)
+        try container.encode(inverted, forKey: .inverted)
     }
 }