MOBFIRST-19249 : List Item Style Updates

Adding shortDivider and tallDivider style.
Removing header style.

MVMCoreUI/Molecules/Items/TableViewCell.swift

@@ -47,8 +47,10 @@ import UIKit
         switch styleString {
         case "standard":
             styleStandard()
-        case "header":
-            styleHeader()
+        case "shortDivider":
+            styleShortDivider()
+        case "tallDivider":
+            styleTallDivider()
         case "sectionFooter":
             styleFooter()
         case "none":
@@ -64,11 +66,18 @@ import UIKit
         bottomSeparatorView?.style = .standard
     }
     
-    open func styleHeader() {
+    open func styleTallDivider() {
         topMarginPadding = 48
         bottomMarginPadding = 16
         topSeparatorView?.style = .none
-        bottomSeparatorView?.style = .thin
+        bottomSeparatorView?.style = .standard
+    }
+    
+    open func styleShortDivider() {
+        topMarginPadding = 32
+        bottomMarginPadding = 16
+        topSeparatorView?.style = .none
+        bottomSeparatorView?.style = .standard
     }
     
     open func styleFooter() {