feat: Update layout in Subscriptions section

Resolves: https://gitlab.steamware.net/eqn/eqn.ios/-/issues/85

Sources/Earthquake Network/Controllers/InApp/SubscriptionDetailsViewController.swift

@@ -67,6 +67,7 @@ class SubscriptionDetailsViewController: UITableViewController {
         tableView.estimatedRowHeight = 2000.0
         tableView.separatorStyle = .none
         tableView.backgroundColor = .systemGroupedBackground
+        tableView.contentInset = EQNBaseContainerTableViewCell.EdgeInsets
         tableView.registerCell(for: SubscriptionDetailsTableViewCell.self)
     }
     

Sources/Earthquake Network/Controllers/InApp/SubscriptionsHeaderTableViewCell.swift

@@ -18,6 +18,7 @@ class SubscriptionsHeaderTableViewCell: UITableViewHeaderFooterView {
         label.translatesAutoresizingMaskIntoConstraints = false
         label.font = UIFont.preferredFont(forTextStyle: .title2)
         label.textColor = AppTheme.Colors.darkGray
+        label.textAlignment = .center
         return label
     }()
     
@@ -48,6 +49,7 @@ class SubscriptionsHeaderTableViewCell: UITableViewHeaderFooterView {
         
         headerTitleLabel.centerYAnchor.constraint(equalTo: contentView.centerYAnchor).isActive = true
         headerTitleLabel.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: .cardPadding).isActive = true
+        headerTitleLabel.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: .cardPadding.negative).isActive = true
         loadingActivityIndicator.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: .cardPadding.negative).isActive = true
         loadingActivityIndicator.centerYAnchor.constraint(equalTo: headerTitleLabel.centerYAnchor).isActive = true
     }

Sources/Earthquake Network/Controllers/InApp/SubscriptionsViewController.swift

@@ -91,6 +91,11 @@ class SubscriptionsViewController: UITableViewController {
         tableView.estimatedRowHeight = 600.0
         tableView.separatorStyle = .none
         tableView.backgroundColor = .systemGroupedBackground
+        tableView.contentInset = EQNBaseContainerTableViewCell.EdgeInsets
+        if #available(iOS 15.0, *) {
+            // remove extra padding on top of each section header
+            tableView.sectionHeaderTopPadding = 0.0
+        }
         tableView.registerCell(for: SubscriptionsActiveTableViewCell.self)
         tableView.registerCell(for: SubscriptionsDescriptionTableViewCell.self)
         tableView.registerCell(for: SubscriptionProductTableViewCell.self)
@@ -190,17 +195,22 @@ class SubscriptionsViewController: UITableViewController {
     
     override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
         let tableSection = sections[section]
-        let view = tableView.dequeueHeaderFooterView(cellIdentifiable: SubscriptionsHeaderTableViewCell.self)
-        view.update(isLoading: isLoading, title: tableSection.sectionTitle)
-        return view
+        switch tableSection.sectionTitle {
+        case .some(let title):
+            let view = tableView.dequeueHeaderFooterView(cellIdentifiable: SubscriptionsHeaderTableViewCell.self)
+            view.update(isLoading: isLoading, title: title)
+            return view
+        case .none:
+            return nil
+        }
     }
     
     override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
         let tableSection = sections[section]
-        if tableSection.sectionTitle != nil {
-            return 50
+        return switch tableSection.sectionTitle {
+        case .some: 50.0
+        case .none: 0.0
         }
-        return 0
     }
     
     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {