add fixed size support in autolayout along with flex-shrink: 0

Author: softmarshmallow

packages/builder-css-styles/tricks/trick-flex-sizing/index.ts

@@ -30,6 +30,8 @@ export function flexsizing({
     case MainAxisSize.max: {
       return {
         "align-self": "stretch",
+        width: width && length(width),
+        height: height && length(height),
       };
     }
     case MainAxisSize.min: {

packages/designto-web/tokens-to-web-widget/compose-wrapped-with-stretched.ts

@@ -19,6 +19,8 @@ export function compose_wrapped_with_clip_stretched(
   const child = child_composer(widget.child);
   child.extendStyle({
     "align-self": "stretch",
+    // TODO: this is required, for fixed width / height to work, but not sure this is the best place to be.
+    "flex-shrink": 0,
     [remove_size]: undefined,
   });
   return child;