This is a regression from PR #4615. The underscore for the last 2 chars in "NUMERO D’IMMATRICULATION" is too bold.

URL: http://www.ameli.fr/fileadmin/user_upload/formulaires/S3706.pdf
1.1.215: https://i.imgur.com/up8Y33j.png
0.8.990: https://i.imgur.com/UioZcLB.png

fc1e2483b433134a538cce0acd0ccc76e335cf5f is the first bad commit
commit fc1e2483b433134a538cce0acd0ccc76e335cf5f
Author: Jonas Jenwald
Date:   Fri Apr 11 20:19:39 2014 +0200

```
Enforce minimum line widths
```

0,
        paintWidth,
        paintHeight,
        0,
        -height,
        width,
        height
      );
      if (this.imageLayer) {
        const position = this.getCanvasPosition(0, -height);
        this.imageLayer.appendImage({
          imgData,
          left: position[0],
          top: position[1],
          width: width / currentTransform[0],
          height: height / currentTransform[3],
        });
      }
      this.restore();
    },
    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(
      imgData,
      map
    ) {
      if (!this.contentVisible) {
        return;
      }
      const ctx = this.ctx;
      const w = imgData.width;
      const h = imgData.height;