Autofill: Fix footer sizing for multiline labels (#2422)

Task/Issue URL: https://app.asana.com/0/1201462886803403/1206371260426517/f
Tech Design URL:
CC:

Description:
This is a fix for the autofill tableview footer label not sizing correctly when there is more than one line of text

DuckDuckGo/AutofillSettingsEnableFooterView.swift

@@ -54,10 +54,14 @@ class AutofillSettingsEnableFooterView: UIView {
 
     private func installConstraints() {
         title.translatesAutoresizingMaskIntoConstraints = false
+
+        let bottomConstraint = title.bottomAnchor.constraint(equalTo: self.bottomAnchor, constant: -Constants.defaultPadding)
+        // setting priority to ensure multiline text is displayed correctly
+        bottomConstraint.priority = .defaultHigh
 
         NSLayoutConstraint.activate([
             title.topAnchor.constraint(equalTo: self.topAnchor, constant: Constants.topPadding),
-            title.bottomAnchor.constraint(equalTo: self.bottomAnchor, constant: -Constants.defaultPadding),
+            bottomConstraint,
             title.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: Constants.defaultPadding),
             title.trailingAnchor.constraint(lessThanOrEqualTo: self.trailingAnchor, constant: -Constants.defaultPadding)
         ])