Equals sign on Adding screen does not reset

[phet-steele]

@jonathanolson, normally at startup the equals sign is not there, nor does it appear until both terms in the equation have been submitted:

However, pressing reset all while the equals sign is visible (after submitting both terms) will not hide it:

Seen on macOS 10.12.3 Chrome. For phetsims/tasks/issues/767
URL: http://www.colorado.edu/physics/phet/dev/html/make-a-ten/1.0.0-rc.1/make-a-ten_en.html
Version: 1.0.0-rc.1 2017-01-25 19:57:06 UTC
Features missing: touch
Flags: pixelRatioScaling
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.76 Safari/537.36
Language: en-US
Window: 1920x1001
Pixel Ratio: 2/1
WebGL: WebGL 1.0 (OpenGL ES 2.0 Chromium)
GLSL: WebGL GLSL ES 1.0 (OpenGL ES GLSL ES 1.0 Chromium)
Vendor: WebKit (WebKit WebGL)
Vertex: attribs: 16 varying: 32 uniform: 1024
Texture: size: 16384 imageUnits: 16 (vertex: 16, combined: 80)
Max viewport: 16384x16384
OES_texture_float: true
Dependencies JSON: {"assert":{"sha":"a707328c","branch":"HEAD"},"axon":{"sha":"1cf10281","branch":"HEAD"},"babel":{"sha":"d5fd82f2","branch":"master"},"brand":{"sha":"0be722ee","branch":"HEAD"},"chipper":{"sha":"f4cd39bf","branch":"HEAD"},"dot":{"sha":"75380061","branch":"HEAD"},"joist":{"sha":"d0bca742","branch":"HEAD"},"kite":{"sha":"6059ebb0","branch":"HEAD"},"make-a-ten":{"sha":"5f742dd4","branch":"HEAD"},"phet-core":{"sha":"84747dff","branch":"HEAD"},"phetcommon":{"sha":"1cb33196","branch":"HEAD"},"query-string-machine":{"sha":"d8a4ff18","branch":"HEAD"},"scenery":{"sha":"fbf816a5","branch":"HEAD"},"scenery-phet":{"sha":"b04d8086","branch":"HEAD"},"sherpa":{"sha":"785a536c","branch":"HEAD"},"sun":{"sha":"c98a7f0b","branch":"HEAD"},"tandem":{"sha":"d9c124e5","branch":"HEAD"},"twixt":{"sha":"cbe4c1aa","branch":"HEAD"},"vegas":{"sha":"8aa08377","branch":"HEAD"},"vibe":{"sha":"d4b79cf6","branch":"HEAD"}}

[jonathanolson]

Should be fixed in master.

[phet-steele]

Looks good, thanks @jonathanolson.