feat: remove unused openapi action button

lib/dashbot/core/common/widgets/dashbot_action.dart

@@ -34,7 +34,10 @@ class DashbotActionWidgetFactory {
       case ChatActionType.applyCurl:
         return DashbotApplyCurlButton(action: action);
       case ChatActionType.applyOpenApi:
-        return DashbotApplyOpenApiButton(action: action);
+        if (action.action == 'import_now_openapi') {
+          return DashbotImportNowButton(action: action);
+        }
+        return null;
       case ChatActionType.downloadDoc:
         return DashbotDownloadDocButton(action: action);
       case ChatActionType.noAction:
@@ -70,9 +73,6 @@ class DashbotActionWidgetFactory {
     if (action.action == 'apply_curl') {
       return DashbotApplyCurlButton(action: action);
     }
-    if (action.action == 'apply_openapi') {
-      return DashbotApplyOpenApiButton(action: action);
-    }
     if (action.action.contains('update') ||
         action.action.contains('add') ||
         action.action.contains('delete')) {

lib/dashbot/core/common/widgets/dashbot_action_buttons/dashbot_actions_buttons.dart

@@ -1,6 +1,5 @@
 export 'dashbot_add_test_button.dart';
 export 'dashbot_apply_curl_button.dart';
-export 'dashbot_apply_openapi_button.dart';
 export 'dashbot_auto_fix_button.dart';
 export 'dashbot_download_doc_button.dart';
 export 'dashbot_generate_codeblock.dart';

lib/dashbot/core/services/openapi_import_service.dart

@@ -233,34 +233,6 @@ class OpenApiImportService {
         op: op,
       );
 
-  /// Build an action message asking whether to apply to selected/new
-  /// for a single chosen operation.
-  static Map<String, dynamic> buildActionMessageFromPayload(
-      Map<String, dynamic> actionPayload,
-      {String? title}) {
-    final buf = StringBuffer(
-        title ?? 'Parsed the OpenAPI operation. Where should I apply it?');
-    return {
-      'explnation': buf.toString(),
-      'actions': [
-        {
-          'action': 'apply_openapi',
-          'target': 'httpRequestModel',
-          'field': 'apply_to_new',
-          'path': null,
-          'value': actionPayload,
-        },
-        {
-          'action': 'apply_openapi',
-          'target': 'httpRequestModel',
-          'field': 'apply_to_selected',
-          'path': null,
-          'value': actionPayload,
-        }
-      ]
-    };
-  }
-
   static Map<String, dynamic> buildOperationPicker(OpenApi spec,
       {String? insights}) {
     final servers = spec.servers ?? const [];