fix(point): preserve relative marker sizing

Keep rendering, picking, block transforms, and plotted output on the
same viewport-relative PDSIZE geometry without overloading wire width
fields.

src/modules/draw/inquiry/area.rs

@@ -362,6 +362,7 @@ impl CadCommand for AreaCommand {
         points.push(to_render(point));
         points.push(to_render(self.points[0]));
         Some(WireModel {
+            point_marker: None,
             taper_widths: Vec::new(),
             world_width: 0.0,
             depth_override: None,

src/modules/draw/inquiry/dist.rs

@@ -85,6 +85,7 @@ impl CadCommand for DistCommand {
         let p1 = self.first?;
         // The preview wire is purely visual, so f32 vertices are fine here.
         Some(WireModel {
+            point_marker: None,
             taper_widths: Vec::new(),
             world_width: 0.0,
             depth_override: None,

src/modules/draw/inquiry/measuregeom.rs

@@ -70,6 +70,7 @@ impl MeasureGeomCommand {
     /// Build a cyan preview wire connecting the picked points and the cursor.
     fn preview_wire(name: &str, pts: Vec<[f32; 3]>) -> WireModel {
         WireModel {
+            point_marker: None,
             taper_widths: Vec::new(),
             world_width: 0.0,
             depth_override: None,