Fix SVG renderer drawing 1px strokes as half-width when using stroke alignment

Author: Keavon

node-graph/libraries/rendering/src/render_ext.rs

@@ -113,7 +113,7 @@ impl RenderExt for Stroke {
 		}
 
 		// Set to None if the value is the SVG default
-		let weight = (self.weight != 1.).then_some(self.weight);
+		let weight = (self.weight != if self.align == StrokeAlign::Center { 1. } else { 1. / 2. }).then_some(self.weight);
 		let dash_array = (!self.dash_lengths.is_empty()).then_some(self.dash_lengths());
 		let dash_offset = (self.dash_offset != 0.).then_some(self.dash_offset);
 		let stroke_cap = (self.cap != StrokeCap::Butt).then_some(self.cap);