fix(core): Use AbortController to notify nodes to abort execution (#6141)

and add support for cancelling ongoing operations inside a node.

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Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>

packages/editor-ui/src/views/NodeView.vue

@@ -1562,10 +1562,6 @@ export default defineComponent({
 			try {
 				this.stopExecutionInProgress = true;
 				await this.workflowsStore.stopCurrentExecution(executionId);
-				this.showMessage({
-					title: this.$locale.baseText('nodeView.showMessage.stopExecutionTry.title'),
-					type: 'success',
-				});
 			} catch (error) {
 				// Execution stop might fail when the execution has already finished. Let's treat this here.
 				const execution = await this.workflowsStore.getExecution(executionId);