fix(*): restore missing custom property for actionbutton

Author: cdransf

components/actionbutton/index.css

@@ -24,6 +24,7 @@
 	--spectrum-actionbutton-border-color-disabled: var(--spectrum-disabled-border-color);
 
 	--spectrum-actionbutton-background-color-selected-disabled: var(--spectrum-transparent-black-100);
+	--spectrum-actionbutton-content-color-disabled: var(--spectrum-disabled-content-color);
 
 	--spectrum-actionbutton-background-color-selected: var(--spectrum-neutral-background-color-selected-default);
 	--spectrum-actionbutton-background-color-selected-hover: var(--spectrum-neutral-background-color-selected-hover);

components/actionbutton/metadata/metadata.json

@@ -161,6 +161,7 @@
     "--spectrum-corner-radius-medium-size-medium",
     "--spectrum-corner-radius-medium-size-small",
     "--spectrum-disabled-border-color",
+    "--spectrum-disabled-content-color",
     "--spectrum-focus-indicator-color",
     "--spectrum-focus-indicator-gap",
     "--spectrum-focus-indicator-thickness",