Refactor FXIOS-19318 - Update Fonts in SnackBar to use FXFontStyles (#…

…19324)

* Update Fonts  to use FXFontStyles

* Remove unused fontSize

firefox-ios/Client/Frontend/Widgets/SnackBar.swift

@@ -9,7 +9,6 @@ import Shared
 class SnackBar: UIView, ThemeApplicable {
     private struct UX {
         static let borderWidth: CGFloat = 0.5
-        static let fontSize: CGFloat = 17
     }
 
     let snackbarClassIdentifier: String
@@ -38,7 +37,7 @@ class SnackBar: UIView, ThemeApplicable {
     }
 
     private lazy var textLabel: UILabel = .build { label in
-        label.font = DefaultDynamicFontHelper.preferredFont(withTextStyle: .body, size: UX.fontSize)
+        label.font = FXFontStyles.Regular.body.scaledFont()
         label.lineBreakMode = .byWordWrapping
         label.numberOfLines = 0
         label.backgroundColor = UIColor.clear