fix radius of upper capsule array mount to have enough space for the wires

TinySpHEAR_mount_pcb.scad

@@ -263,13 +263,13 @@ module tetra_capsule_array_mount(angles) {
                     hull() {
                         cylinder(r = mount_radius + wall, h = thin_mint, $fn = facets);
                         translate([0, 0, mount_top_height]) {
-                            rounded_block(thin_mint, capsule_radius, mount_radius_capsule, mount_radius * 0.9);
+                            rounded_block(thin_mint, capsule_radius + wall, mount_radius_capsule, mount_radius);
                         }
                     }
                     hull() {
                         cylinder(r = mount_radius, h = thin_mint, $fn = facets);
                         translate([0, 0, mount_top_height]) {
-                            rounded_block_relative(thin_mint, capsule_radius, mount_radius_capsule, mount_radius * 0.9, -wall);
+                            rounded_block_relative(thin_mint, capsule_radius + wall, mount_radius_capsule, mount_radius, -wall);
                         }
                     }
                 }