fix(typography): Fixes typography `theme-styles` mixin... the value being retreived from the `$theme` map and css property name was swapped. The mixin would request `font-size`/`font-weight`/`letter-spacing` from the `$theme` map (which expects `size`/`weight`/`tracking`)... so these values would always be `null`.
fix(typography): Fixes typography `theme-styles` mixin... the value being retreived from the `$theme` map and css property name was swapped. The mixin would request `font-size`/`font-weight`/`letter-spacing` from the `$theme` map (which expects `size`/`weight`/`tracking`)... so these values would always be `null`.

PiperOrigin-RevId: 435389815

material-components/material-components-web,material-components/material-components-web,material-components/material-components-web