GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

submodules/TelegramCore/Sources/Settings/ContentPrivacySettings.swift

@@ -0,0 +1,20 @@
+import Foundation
+import Postbox
+import SwiftSignalKit
+import MtProtoKit
+
+
+public func updateContentPrivacySettings(postbox: Postbox, _ f: @escaping (ContentPrivacySettings) -> ContentPrivacySettings) -> Signal<Void, NoError> {
+    return postbox.transaction { transaction -> Void in
+        var updated: ContentPrivacySettings?
+        transaction.updatePreferencesEntry(key: PreferencesKeys.contentPrivacySettings, { current in
+            if let current = current?.get(ContentPrivacySettings.self) {
+                updated = f(current)
+                return PreferencesEntry(updated)
+            } else {
+                updated = f(ContentPrivacySettings.defaultSettings)
+                return PreferencesEntry(updated)
+            }
+        })
+    }
+}