chore: fix TS error

Author: philippfromme

lib/TaskExecution.js

@@ -85,8 +85,7 @@ export default class TaskExecution extends EventEmitter {
 
     const startInstanceResult = await this._api.startInstance(processId, elementId, variables);
 
-    // @ts-ignore (it can actually change to `idle` while awaiting startInstance)
-    if (this._status === 'idle') {
+    if (/** @type {TaskExecutionStatus} */ (this._status) === 'idle') {
 
       // Execution was canceled in the meantime
       return;
@@ -138,8 +137,7 @@ export default class TaskExecution extends EventEmitter {
       if (hasIncident) {
         const getProcessInstanceIncidentResult = await this._api.getProcessInstanceIncident(processInstanceKey);
 
-        // @ts-ignore
-        if (this._status === 'idle') {
+        if (/** @type {TaskExecutionStatus} */ (this._status) === 'idle') {
 
           // Execution was canceled in the meantime
           this.cancelTaskExecution();
@@ -159,8 +157,7 @@ export default class TaskExecution extends EventEmitter {
       if (isCompleted || hasIncident) {
         const getProcessInstanceVariablesResult = await this._api.getProcessInstanceVariables(processInstanceKey);
 
-        // @ts-ignore
-        if (this._status === 'idle') {
+        if (/** @type {TaskExecutionStatus} */ (this._status) === 'idle') {
 
           // Execution was canceled in the meantime
           this.cancelTaskExecution();