The logo can be substituted through layouts. To do this you need to go to Design - Layouts - Layouts

Next you need to select the necessary block Logo. here you should choose the MS template: Store Logo in SVG.

Next, in the settings you need to insert the SVG code

If you want to get the SVG code, just open the vector file with any text editor (Point 1) and copy the code (Point 2).

It's ready!