Mirror Wrapper on IE lags while sim is unpaused

[loganbraywork]

Test device

Windows 10 Laptop

Operating System

Windows 10 v. 1903

Browser

Internet Explorer v. 11.836.18362.0

Problem description

For phetsims/qa#505

The Mirror Wrapper on IE lags while the sim is unpaused.

Steps to reproduce

1. Open the IE wrapper
2. Unpause the sim
3. Manipulate the stars or planets to observe lag easier

Visuals

Troubleshooting information:
!!!!! DO NOT EDIT !!!!!

Name: ‪Gravity and Orbits‬

URL: https://phet-dev.colorado.edu/html/gravity-and-orbits/1.2.0-dev.10/phet/gravity-and-orbits_en_phet.html

Version: 1.2.0-dev.10 2020-05-26 17:36:54 UTC

Features missing: touch, fullscreen

Flags: pointerEnabled, msPointerEnabled, pixelRatioScaling

User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; Zoom 3.6.0; rv:11.0) like Gecko

Language: en-US

Window: 1574x773

Pixel Ratio: 1.2200000286102295/1

WebGL: WebGL 0.94

GLSL: WebGL GLSL ES 0.94

Vendor: Microsoft (Internet Explorer)

Vertex: attribs: 16 varying: 15 uniform: 512

Texture: size: 16384 imageUnits: 16 (vertex: 16, combined: 32)

Max viewport: 16384x16384

OES_texture_float: true

Dependencies JSON: {}

[samreid]

In discussion with @arouinfar, we agreed: The mirror inputs wrapper is a more of an "internal testing" tool that tests the events transmit from one frame to another. Low performance on IE sounds acceptable, closing.