cubicweb-inlinedit #3848298 reledit icons make form fields jump around [validation pending]

Prevent from moving the layout while hiding/showing inlined tools

prioritynormal
typebug
done in1.2.0
load0.200
load left0.000
closed by#de377deec4dd [css] prevent the layout being jerky while hiding/showing inlined icon (closes #3848298)
patch[css] prevent from moving the layout while hiding/showing inlined tools (closes #3848298) [applied]