Set supported preset on start

Passepartout/Sources/Model/ConnectionService.swift

@@ -275,6 +275,9 @@ public class ConnectionService: Codable {
                         providerProfile.poolId = fallbackPool.id
                     }
                     
+                    // XXX: fix unsupported preset
+                    providerProfile.setSupportedPreset()
+                    
                     profile = providerProfile
                     
                 case .host:

Passepartout/Sources/Model/Profiles/ProviderConnectionProfile.swift

@@ -76,6 +76,16 @@ public class ProviderConnectionProfile: ConnectionProfile, Codable, Equatable {
         presetId = infrastructure.defaults.preset
     }
     
+    public func setSupportedPreset() {
+        guard let pool = pool else {
+            return
+        }
+        let supported = pool.supportedPresetIds(in: infrastructure)
+        if let current = preset?.id, !supported.contains(current), let fallback = supported.first {
+            presetId = fallback
+        }
+    }
+    
     private func validateEndpoint() {
         guard let pool = pool, let preset = preset else {
             manualAddress = nil