[styles] Fix IE 11 issue

[oliviertassinari]

JSS v1.0.0-alpha.16 should solve the problem.

Closes #14932
Closes #14774

[mui-pr-bot]

@material-ui/core: parsed: -0.56% 😍, gzip: -0.76% 😍
@material-ui/lab: parsed: -1.32% 😍, gzip: -1.21% 😍
@material-ui/styles: parsed: -0.66% 😍, gzip: -0.43% 😍

Details of bundle changes.

Comparing: ae31efe...afe1b0a

bundle	parsed diff	gzip diff	prev parsed	current parsed	prev gzip	current gzip
@material-ui/core	-0.56%	-0.76%	352,645	350,667	90,519	89,829
@material-ui/core/Paper	-0.51%	-0.39%	67,382	67,035	19,711	19,634
@material-ui/core/Paper.esm	-0.56%	-0.33%	61,143	60,798	18,799	18,737
@material-ui/core/Popper	0.00%	+0.02% 🔺	30,460	30,460	10,529	10,531
@material-ui/core/styles/createMuiTheme	0.00%	-0.02%	17,384	17,384	5,727	5,726
@material-ui/core/useMediaQuery	0.00%	+0.39% 🔺	2,469	2,469	1,038	1,042
@material-ui/lab	-1.32%	-1.21%	151,241	149,250	44,415	43,879
@material-ui/styles	-0.66%	-0.43%	52,565	52,219	15,329	15,263
@material-ui/system	0.00%	+0.02% 🔺	17,138	17,138	4,519	4,520
Button	-2.13%	-2.17%	90,888	88,954	26,959	26,375
Modal	-1.27%	-1.16%	84,632	83,556	25,242	24,948
colorManipulator	0.00%	+0.08% 🔺	3,232	3,232	1,300	1,301
docs.landing	0.00%	0.00%	49,958	49,958	10,837	10,837
docs.main	-0.38%	-0.37%	648,545	646,081	201,429	200,679
packages/material-ui/build/umd/material-ui.production.min.js	-0.78%	-0.96%	301,793	299,438	83,744	82,942

Generated by 🚫 dangerJS against afe1b0a