feat: workflow template (#28553)

* wip: confirm before existing and disable/enable save button condition

* fix: get correct workflow detail

* wip: add back workflow summary

* wip: add back json editor

* wip: step property badge

* wip: redesign card flow

* wip: redesign card flow

* redesign workflow summary

* wworkflow summary styling

* wip

* drag and drop

* list redesign

* refactor

* refactor

* remove deadcode

* refactor

* insert steps

* push down when dropped

* feat: workflow template

* simplify

* move template to manifest

* feat: hash manifest file

* fix: template column

* fix: migration

* fix: workflow lookup

* chore: clean up

---------

Co-authored-by: Jason Rasmussen <jason@rasm.me>

mobile/openapi/lib/api/plugins_api.dart

@@ -204,6 +204,57 @@ class PluginsApi {
     return null;
   }
 
+  /// Retrieve workflow templates
+  ///
+  /// Retrieve workflow templates provided by installed plugins
+  ///
+  /// Note: This method returns the HTTP [Response].
+  Future<Response> searchPluginTemplatesWithHttpInfo() async {
+    // ignore: prefer_const_declarations
+    final apiPath = r'/plugins/templates';
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      apiPath,
+      'GET',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Retrieve workflow templates
+  ///
+  /// Retrieve workflow templates provided by installed plugins
+  Future<List<PluginTemplateResponseDto>?> searchPluginTemplates() async {
+    final response = await searchPluginTemplatesWithHttpInfo();
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      final responseBody = await _decodeBodyBytes(response);
+      return (await apiClient.deserializeAsync(responseBody, 'List<PluginTemplateResponseDto>') as List)
+        .cast<PluginTemplateResponseDto>()
+        .toList(growable: false);
+
+    }
+    return null;
+  }
+
   /// List all plugins
   ///
   /// Retrieve a list of plugins available to the authenticated user.