Mark account list rows as buttons

Mastodon/Scene/Account/Cell/AccountListTableViewCell.swift

@@ -125,6 +125,8 @@ extension AccountListTableViewCell {
         
         badgeButton.setBadge(number: 0)
         checkmarkImageView.isHidden = true
+
+        accessibilityTraits.insert(.button)
     }
 
 }

Mastodon/Scene/Account/Cell/AddAccountTableViewCell.swift

@@ -108,6 +108,8 @@ extension AddAccountTableViewCell {
             separatorLine.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
             separatorLine.heightAnchor.constraint(equalToConstant: UIView.separatorLineHeight(of: contentView)),
         ])
+
+        accessibilityTraits.insert(.button)
     }
 
 }