Widgets should pop at the bottom of the analysis page

[Tomansion]

Is your feature request related to a problem? Please describe.
I have to scroll at the top of the screen and drag the widget at the bottom each time I add a widget.

Describe the solution you'd like
The widget pops at the bottom of the analysis page and the screen scrolls to it

Describe alternatives you've considered

• A popup ask for where to place the widget
• The widget is placed near where the focus is

Additional context
Also provide infinite scrolling?