chore: disable code completion and code assistant by default

Author: carlrobertoh

src/main/kotlin/ee/carlrobert/codegpt/settings/service/codegpt/CodeGPTServiceSettings.kt

@@ -13,14 +13,14 @@ class CodeGPTServiceSettings :
 class CodeGPTServiceSettingsState : BaseState() {
     var chatCompletionSettings by property(CodeGPTServiceChatCompletionSettingsState())
     var codeCompletionSettings by property(CodeGPTServiceCodeCompletionSettingsState())
-    var codeAssistantEnabled by property(true)
+    var codeAssistantEnabled by property(false)
 }
 
 class CodeGPTServiceChatCompletionSettingsState : BaseState() {
     var model by string("gpt-4o-mini")
 }
 
 class CodeGPTServiceCodeCompletionSettingsState : BaseState() {
-    var codeCompletionsEnabled by property(true)
+    var codeCompletionsEnabled by property(false)
     var model by string("codestral")
 }