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/VoipConfiguration.swift

@@ -0,0 +1,17 @@
+import Postbox
+
+public func currentVoipConfiguration(transaction: Transaction) -> VoipConfiguration {
+    if let entry = transaction.getPreferencesEntry(key: PreferencesKeys.voipConfiguration)?.get(VoipConfiguration.self) {
+        return entry
+    } else {
+        return VoipConfiguration.defaultValue
+    }
+}
+
+func updateVoipConfiguration(transaction: Transaction, _ f: (VoipConfiguration) -> VoipConfiguration) {
+    let current = currentVoipConfiguration(transaction: transaction)
+    let updated = f(current)
+    if updated != current {
+        transaction.setPreferencesEntry(key: PreferencesKeys.voipConfiguration, value: PreferencesEntry(updated))
+    }
+}