update check emoji to carbon icon on tile style page

[kingtraceyj]

Proportions for grid table on tile component's style page should be using carbon icons rather then the emoji checks check ✅

[jnm2377]

@kingtraceyj which of the checkmark icons should it use?

[kingtraceyj]

@jnm2377 let's use <CheckmarkOutline /> in gray 100

[kingtraceyj]

@francinelucca we are going with checkmark in icon-primary