Description:
In a multiline texfield the background is transparent and it still displays the content of the previous database items when switching to the next.

Steps to Reproduce:
1.create a database with several database items as text
2.create a form displaying these entries in a textfield. Switch text-type of the textfield to multiline.
3. switch the form to "runtime" (???) 

Actual Results:
- the background of the textfield is transparent
- when switching from one database item to the next the content of the previous database item is still visible!

Expected Results:
- the background of the textfield should be the actually selected color.
- when switching from one database item to the next the content of the previous databse item should not be visible anymore in the textfield.


Reproducible: Always


User Profile Reset: No

Additional Info:
When the text-type of the textfield is set to singleline the issue does not occur.