Error while trying to select .kjb in job executor step with Browse button, if connected to repository.

Error appears while trying to select local .kjb in job executor step with Browse button, if connected to repository.

Same issue with transformation executor.

steps:
1. Connect to repository.
2. Create transformation with job executor (or transformation executor) step.
3. Edit job executor step, click Browse and select local .kjb file, press ok.
Error appears: Unable to open dialog for this step. Argument cannot be null.

Workaround: Write (copy/paste) full path to the .kjb manually.

Stack trace:
java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.swt.SWT.error(Unknown Source)
at org.eclipse.swt.SWT.error(Unknown Source)
at org.eclipse.swt.SWT.error(Unknown Source)
at org.eclipse.swt.widgets.Widget.error(Unknown Source)
at org.eclipse.swt.widgets.Text.setText(Unknown Source)
at org.pentaho.di.ui.core.widget.TextVar.setText(TextVar.java:184)
at org.pentaho.di.ui.trans.steps.jobexecutor.JobExecutorDialog.selectFileJob(JobExecutorDialog.java:635)
at org.pentaho.di.ui.trans.steps.jobexecutor.JobExecutorDialog.access$300(JobExecutorDialog.java:87)
at org.pentaho.di.ui.trans.steps.jobexecutor.JobExecutorDialog$3.widgetSelected(JobExecutorDialog.java:300)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.trans.steps.jobexecutor.JobExecutorDialog.open(JobExecutorDialog.java:562)
at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:137)
at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:8195)
at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:2952)
at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:720)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1227)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7368)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8673)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:625)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)