String Manipulation (Multi Column): Does not handle date&time columns as $$CURRENTCOLUMN$$

Hi,

Manipulating date&time columns is possible in the String Manipulation (Multi Column) when using the column name directly but if one uses $$CURRENTCOLUMN$$ while a date&time column is included, this error message is shown and the node cannot be configured:

failed to apply settings: Invalid type identifier for variable in line 1: n