Use same logic in Browser as SvgPanel for determining whether to render framebuffer with oversampling.

src/app/Browser.cpp

@@ -184,7 +184,7 @@ struct ModelBox : widget::OpaqueWidget {
 		previewWidget->addChild(zoomWidget);
 
 		fb = new widget::FramebufferWidget;
-		if (math::isNear(APP->window->pixelRatio, 1.0)) {
+		if (APP->window->pixelRatio < 2.0) {
 			// Small details draw poorly at low DPI, so oversample when drawing to the framebuffer
 			fb->oversample = 2.0;
 		}