Add simulators

Author: rmcdaniel

src/components/QuerySimulator/index.js

@@ -168,7 +168,7 @@ class MyWorkflow extends Workflow
                     <span className={styles.lineNumber}>{lineNumber}</span>
                     <span className={styles.lineContent}>{line || ' '}</span>
                     {isWaitingLine && (
-                      <span className={styles.waitingBadge}>⏳ {waitingTime}s</span>
+                      <span className={styles.waitingBadge}>{waitingTime}s</span>
                     )}
                   </div>
                 );

src/components/SignalSimulator/index.js

@@ -191,7 +191,7 @@ class MyWorkflow extends Workflow
                     <span className={styles.lineNumber}>{lineNumber}</span>
                     <span className={styles.lineContent}>{line || ' '}</span>
                     {isWaitingLine && (
-                      <span className={styles.waitingBadge}>⏳ {waitingTime}s</span>
+                      <span className={styles.waitingBadge}>{waitingTime}s</span>
                     )}
                   </div>
                 );

src/components/TimerSimulator/index.js

@@ -165,7 +165,7 @@ class MyWorkflow extends Workflow
             </pre>
           </div>
 
-          {executionState === ExecutionState.RUNNING && getCurrentStep() && (
+          {executionState === ExecutionState.RUNNING && getCurrentStep() && getCurrentStep().showCountdown && (
             <div className={styles.progressSection}>
               <div className={styles.progressLabel}>
                 Executing: <code>{getCurrentStep().label}</code>