Flescio/add room image (#961)

* image media upload for room creation

* fix remove duplicate logic

* use Async Image, add Focusable Fields in create room

* remove alert message which doesn't have a copy

* add remove duplicates on crete room image

* add button style for preventing undesired touches

* add changelog, add error case for file too large

* Fix iPad sheet presentation

* add error media preprocess

* dismissing focus on image picker

ElementX/Sources/Services/Client/ClientError.swift

@@ -21,6 +21,19 @@ enum MatrixErrorCode: String, CaseIterable {
     case unknown = "M_UNKNOWN"
     case userDeactivated = "M_USER_DEACTIVATED"
     case forbidden = "M_FORBIDDEN"
+    case fileTooLarge = "M_TOO_LARGE"
+}
+
+extension ClientError {
+    var code: MatrixErrorCode {
+        guard case let .Generic(message) = self else { return .unknown }
+        
+        guard let first = MatrixErrorCode.allCases.first(where: { message.contains($0.rawValue) }) else {
+            return .unknown
+        }
+
+        return first
+    }
 }
 
 extension AuthenticationError {