Re-add Stack changes

Author: laurkim

polaris-react/src/components/Stack/Stack.scss

@@ -2,6 +2,7 @@
 
 .Stack {
   // stylelint-disable -- Polaris component custom properties
+  --pc-stack-align: initial;
   --pc-stack-gap-xs: 0;
   --pc-stack-gap-sm: var(--pc-stack-gap-xs);
   --pc-stack-gap-md: var(--pc-stack-gap-sm);
@@ -51,10 +52,3 @@
   margin: 0;
   padding: 0;
 }
-
-.fullWidth {
-  > * {
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    width: 100%;
-  }
-}

polaris-react/src/components/Stack/Stack.stories.tsx

@@ -101,19 +101,3 @@ export function WithAlignEnd() {
     </Stack>
   );
 }
-
-export function WithFullWidthChildren() {
-  return (
-    <Stack gap="4" fullWidth>
-      <Box background="surface" padding="1">
-        01
-      </Box>
-      <Box background="surface" padding="1">
-        02
-      </Box>
-      <Box background="surface" padding="1">
-        03
-      </Box>
-    </Stack>
-  );
-}

polaris-react/src/components/Stack/Stack.tsx

@@ -24,10 +24,6 @@ export interface StackProps extends React.AriaAttributes {
   as?: Element;
   /** Horizontal alignment of children */
   align?: Align;
-  /** Toggle children to be full width
-   * @default false
-   */
-  fullWidth?: boolean;
   /** The spacing between children */
   gap?: Gap;
   /** HTML id attribute */
@@ -42,15 +38,13 @@ export const Stack = ({
   as = 'div',
   children,
   align,
-  fullWidth = false,
   gap,
   id,
   reverseOrder = false,
   ...restProps
 }: StackProps) => {
   const className = classNames(
     styles.Stack,
-    fullWidth && styles.fullWidth,
     as === 'ul' && styles.listReset,
     as === 'fieldset' && styles.fieldsetReset,
   );