You can group manually and order annotations.
The Positioning dialog box appears. Text.1 is the active reference annotation.
There are six settings:
Annotations are grouped according to the dialog box settings; select Align Bottom and offset as 0mm. Text.1 reference annotation is orange framed.
Text.2 the previous driven annotation becomes the new active reference (driving) annotation in the Positioning dialog box.
Text.2 reference annotation is orange framed. Text.3 annotation is the grouped annotation.