Text#addFontStyle works incorrectly (Edge)

[creole]

This Issue is about (pick one, ✏️ delete others)

• A bug in the API:
  • Phaser version(s): 2.10.2
  • Live example: https://codepen.io/creole/pen/oqeERX
  • What should happen: in Firefox, Chrome and Opera "the" is in italics, "dude" has normal style
  • What happens instead: in Edge "the dude" is in italics

I haven't tested text.addFontWeight and text.addStrokeColor.

[samme]

There is a similar problem with font weights in Safari. I never figured it out. https://codepen.io/samme/pen/EmWVmM

[creole]

The font weights in your pen look okay in Edge.

[mdonoughe]

I don't see the original problem with the italics in Edge 42.17134.1.0, but the font weight is heavier in Chrome 70 and Firefox 63. In the second example, Edge and Chrome seem to sometimes forget the font weight after one character, but Firefox is okay.