Pass content of URL field to 'openLink' method

Previously, 'openLink' has chosen the first URL field contained in the
password file. Since the action "Copy & Open" is performed on a specific
field, only its content should be considered.

pass/Controllers/PasswordDetailTableViewController.swift

@@ -389,21 +389,24 @@ class PasswordDetailTableViewController: UITableViewController, UIGestureRecogni
         }
     }
 
-    func openLink() {
-        var urlString = self.password?.urlString ?? ""
-        if !urlString.lowercased().starts(with: "https://") && !urlString.lowercased().starts(with: "http://") {
-            urlString = "http://\(urlString)"
-        }
-        guard let url = URL(string: urlString) else {
-            DispatchQueue.main.async {
+    func openLink(to address: String?) {
+        guard address != nil, let url = URL(string: formActualWebAddress(from: address!)) else {
+            return DispatchQueue.main.async {
                 Utils.alert(title: "Error", message: "Cannot find a valid URL", controller: self, completion: nil)
             }
-            return;
         }
         SecurePasteboard.shared.copy(textToCopy: password?.password)
         UIApplication.shared.open(url, options: [:], completionHandler: nil)
     }
 
+    private func formActualWebAddress(from: String) -> String {
+        let lowercased = from.lowercased()
+        if !(lowercased.starts(with: "https://") || lowercased.starts(with: "http://")) {
+            return "http://\(from)"
+        }
+        return from
+    }
+
     override func numberOfSections(in tableView: UITableView) -> Int {
         return tableData.count
     }

pass/Views/LabelTableViewCell.swift

@@ -141,7 +141,7 @@ class LabelTableViewCell: UITableViewCell {
 
     @objc func openLink(_ sender: Any?) {
         // if isURLCell, passwordTableView should not be nil
-        delegatePasswordTableView!.openLink()
+        delegatePasswordTableView!.openLink(to: cellData?.content)
     }
     
     @objc func getNextHOTP(_ sender: Any?) {