X-axis field and its label are placed in different rows in Axis tab in Graph widget configuration form

X-axis field and its label are placed in different rows in Axis tab in Graph widget configuration form, as if the field itself didn't fit into the same row as its label.

Steps to reproduce:

1. Open any dashboard in edit form
2. Press Add widget
3. Select widget type to "Graph"
4. open tab Axis and check X-axis field

Result: Label of field X-axis and the actual field are placed in different rows:

Expected: The label of a field should be placed next to the corresponding field.