How can I display my btn in all of rows of my child table?

[kholoudmohamedf6]

Hello, everyone!

the manage pricing btn is not showing up unless I select a row.
how to keep the btn shown in all of the rows with no need to select a specific row in order to see the btn is there ?

here is some screenshots so you can understand my issue:

and here after selecting the first row

[NCP]

Reference: Show the attachment button when a user clicks on a row in the child table - #2 by ejaaz

[kholoudmohamedf6]

to make it clear, I wanna make the table looks exactly like this

all of the btns are shown up