refactor(material/button): handle disabled states through tokens #28007
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MDC applies disabled styles through the `:disabled` selector which forced us to work around it by using a selector like `.mat-mdc-button[disabled][disabled]` and setting both the disabled and enabled button tokens. This is problematic, because it increases the specificity too much and it introduces space for mistakes, because we have to duplicate the tokens values. These changes resolve the issue by re-applying the token slots to disabled buttons with the correct selector so that they can reuse the same tokens as the `button` nodes.
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Adds a change that was missed in angular#28007.
crisbeto
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Oct 26, 2023
Adds a change that was missed in #28007.
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This is a cherry-pick of #28005 to the RC branch.
MDC applies disabled styles through the
:disabledselector which forced us to work around it by using a selector like.mat-mdc-button[disabled][disabled]and setting both the disabled and enabled button tokens. This is problematic, because it increases the specificity too much and it introduces space for mistakes, because we have to duplicate the tokens values.These changes resolve the issue by re-applying the token slots to disabled buttons with the correct selector so that they can reuse the same tokens as the
buttonnodes.