feat: Ado 1296 spike credential setup in templates (#7786)

- Add a 'Setup template credentials' view to setup the credentials of a
template before it is created

packages/editor-ui/src/utils/templates/templateActions.ts

@@ -0,0 +1,37 @@
+import type { INodeUi, IWorkflowData, IWorkflowTemplate } from '@/Interface';
+import { getNewWorkflow } from '@/api/workflows';
+import type { useRootStore } from '@/stores/n8nRoot.store';
+import type { useWorkflowsStore } from '@/stores/workflows.store';
+import { getFixedNodesList } from '@/utils/nodeViewUtils';
+import { replaceAllTemplateNodeCredentials } from '@/utils/templates/templateTransforms';
+import type { INodeCredentialsDetails } from 'n8n-workflow';
+
+/**
+ * Creates a new workflow from a template
+ */
+export async function createWorkflowFromTemplate(
+	template: IWorkflowTemplate,
+	credentialOverrides: Record<string, INodeCredentialsDetails>,
+	rootStore: ReturnType<typeof useRootStore>,
+	workflowsStore: ReturnType<typeof useWorkflowsStore>,
+) {
+	const workflowData = await getNewWorkflow(rootStore.getRestApiContext, template.name);
+	const nodesWithCreds = replaceAllTemplateNodeCredentials(
+		template.workflow.nodes,
+		credentialOverrides,
+	);
+	const nodes = getFixedNodesList(nodesWithCreds) as INodeUi[];
+	const connections = template.workflow.connections;
+
+	const workflowToCreate: IWorkflowData = {
+		name: workflowData.name,
+		nodes,
+		connections,
+		active: false,
+		// Ignored: pinData, settings, tags, versionId, meta
+	};
+
+	const createdWorkflow = await workflowsStore.createNewWorkflow(workflowToCreate);
+
+	return createdWorkflow;
+}