PM-36474: bug: Ensure shared totp labels do not parse secret (#6873)

authenticator/src/main/kotlin/com/bitwarden/authenticator/data/authenticator/repository/util/SharedAccountDataExtensions.kt

@@ -25,7 +25,8 @@ fun List<SharedAccountData.Account>.toAuthenticatorItems(): List<AuthenticatorIt
                     .pathSegments
                     .firstOrNull()
                     ?.removePrefix("$issuer:")
-                    ?.takeUnless { it.isBlank() }
+                    // If there is no scheme, then the whole uri is the secret.
+                    ?.takeUnless { it.isBlank() || uri.scheme == null }
                     ?: cipherData.username
 
                 AuthenticatorItem(