Tweak base url picker

Author: intitni

Core/Sources/HostApp/AccountSettings/SharedModelManagement/BaseURLPicker.swift

@@ -14,11 +14,14 @@ struct BaseURLPicker: View {
                         selection: viewStore.$baseURL,
                         content: {
                             if !viewStore.state.availableBaseURLs
-                                .contains(viewStore.state.baseURL)
+                                .contains(viewStore.state.baseURL),
+                                !viewStore.state.baseURL.isEmpty
                             {
                                 Text("Custom Value").tag(viewStore.state.baseURL)
                             }
 
+                            Text("Empty (Default Value)").tag("")
+
                             ForEach(viewStore.state.availableBaseURLs, id: \.self) { baseURL in
                                 Text(baseURL).tag(baseURL)
                             }

Core/Sources/HostApp/AccountSettings/SharedModelManagement/BaseURLSelection.swift

@@ -31,12 +31,13 @@ struct BaseURLSelection: ReducerProtocol {
             case .refreshAvailableBaseURLNames:
                 let chatModels = userDefaults.value(for: \.chatModels)
                 let embeddingModels = userDefaults.value(for: \.embeddingModels)
-                let allBaseURLs = Set(
+                var allBaseURLs = Set(
                     chatModels.map(\.info.baseURL)
                         .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
                         + embeddingModels.map(\.info.baseURL)
                         .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
                 )
+                allBaseURLs.remove("")
                 state.availableBaseURLs = Array(allBaseURLs).sorted()
                 return .none