Aaron Hart

Support srcdoc attribute in iframe component.

1

Do you think it would be reasonable to add [```srcdoc```](https://www.w3schools.com/tags/att_iframe_srcdoc.asp) attribute support to the iframe component? This would enable embedding arbitrary html. The [```sandbox```](https://www.w3schools.com/tags/att_iframe_sandbox.asp) attribute might go along with this...

### Description of the bug First off, thank you for maintaining this pipeline, it looks very useful! While informally validating the pipeline on an old study, I believe I observed...

Using the workflow snippet: List Files > Image Reader (Table) throws an exception when using either append or replace modes from the column settings tab. `org.knime.core.data.container.DataContainerException: Cell count in row...