Fix crash when decoding status attachments with non-percent encoded spaces in URLs

Pachyderm/Model/Attachment.swift

@@ -25,6 +25,26 @@ public class Attachment: Decodable {
             ], nil))
     }
     
+    required public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        self.id = try container.decode(String.self, forKey: .id)
+        self.kind = try container.decode(Kind.self, forKey: .kind)
+        self.url = URL(string: try container.decode(String.self, forKey: .url).replacingOccurrences(of: " ", with: "%20"))! // Pleroma returns spaces in attachment URLs
+        if let remote = try? container.decode(String.self, forKey: .remoteURL) {
+            self.remoteURL = URL(string: remote.replacingOccurrences(of: " ", with: "%20"))
+        } else {
+            self.remoteURL = nil
+        }
+        self.previewURL = URL(string: try container.decode(String.self, forKey: .previewURL).replacingOccurrences(of: " ", with: "%20"))!
+        if let text = try? container.decode(String.self, forKey: .textURL) {
+            self.textURL = URL(string: text.replacingOccurrences(of: " ", with: "%20"))
+        } else {
+            self.textURL = nil
+        }
+        self.meta = try? container.decode(Metadata.self, forKey: .meta)
+        self.description = try? container.decode(String.self, forKey: .description)
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case id
         case kind = "type"