Bugfix
When using calculated columns of type tl:core:Duration, a casting error occurs. If we try to assign a duration value to this calculated column, we receive an error stating that a conversion from double to long is not possible.
Reproduction
Define a calculated column of type tl:core:Duration Attempts to assign a Duration value to this calculated column A casting error occurs: "Cannot cast from Double to Long"
Test
Checking the assignment of a duration value to a calculated column of type tl:core:Duration. The test should confirm that no more type conversion errors occur.