Replace the last posTertiaryText usage in cart placeholder with posOnSurfaceVariantLowest tentatively.

Author: jaclync

WooCommerce/Classes/POS/Colors/Color+POSColorPalette.swift

@@ -46,9 +46,6 @@ extension Color {
     static var posAlert: Color { Color(.posAlert) }
     static var posOnAlert: Color { Color(.posOnAlert) }
 
-    // MARK: - Text Colors
-    static var posTertiaryText: Color { Color(.posTertiaryText) }
-
     // MARK: - Other
     static var posShadow: Color { Color(.posShadow) }
 }

WooCommerce/Classes/POS/Colors/POSColorPalette.xcassets/posTertiaryText.colorset/Contents.json

@@ -273,7 +273,7 @@ private extension CartView {
             // avoids issues when the text size is changed through dynamic type.
             Text(Localization.addItemsToCartHint)
                 .font(Constants.secondaryFont)
-                .foregroundColor(Color.posTertiaryText)
+                .foregroundColor(Color.posOnSurfaceVariantLowest)
                 .multilineTextAlignment(.center)
                 .overlay(alignment: .top) {
                     Image(decorative: PointOfSaleAssets.shoppingBags.imageName)