When sim paused, clicking the 'step' button should not interupt/ turn off flashlight

[oliver-phet]

Steps to reproduce: Select photon view, pause the sim, then 'step' the sim forward 5-10 clicks. The photons stop emitting from the flashlight (even though the flashlight is still turned on)

Severity:

Troubleshooting information (do not edit):

Name: Color Vision

URL: http://www.colorado.edu/physics/phet/dev/html/color-vision/1.0.0-dev.11/color-vision_en.html

Version: 1.0.0-dev.11

Features missing: touch

Flags: pixelRatioScaling

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0

Language: en-US

Window: 1787x851

Pixel Ratio: 0.89552241563797/1

WebGL: WebGL 1.0

GLSL: WebGL GLSL ES 1.0

Vendor: Mozilla (Mozilla)

Vertex: attribs: 16 varying: 10 uniform: 254

Texture: size: 16384 imageUnits: 16 (vertex: 4, combined: 20)

Max viewport: 16384x16384

OES_texture_float: true

[aaronsamuel137]

I think this is fixed. Let me know if it looks good to you. Assigning to @oliver-phet for review

[oliver-phet]

Fixed, closing.