Rename TelegramCore source folder

submodules/TelegramCore/Sources/SecretChatFileReference.swift

@@ -0,0 +1,21 @@
+import Foundation
+#if os(macOS)
+    import PostboxMac
+    import TelegramApiMac
+#else
+    import Postbox
+    import TelegramApi
+#endif
+
+import SyncCore
+
+extension SecretChatFileReference {
+    convenience init?(_ file: Api.EncryptedFile) {
+        switch file {
+            case let .encryptedFile(id, accessHash, size, dcId, keyFingerprint):
+                self.init(id: id, accessHash: accessHash, size: size, datacenterId: dcId, keyFingerprint: keyFingerprint)
+            case .encryptedFileEmpty:
+                return nil
+        }
+    }
+}