Fix maxWidth not working for flex when parent is unmeasurable

Author: WillsonHaw

.changeset/puny-hoops-rush.md

@@ -0,0 +1,5 @@
+---
+"@plexinc/react-lightning-plugin-flexbox": patch
+---
+
+Fix maxWidth when parent is unmeasurable

packages/plugin-flexbox/src/index.ts

@@ -250,6 +250,8 @@ export function plugin(yogaOptions?: YogaOptions): Plugin<LightningElement> {
                 computedWidth = isPercentage
                   ? parentWidth * (maxWidth.value / 100)
                   : parentWidth;
+              } else if (maxWidth.unit === Yoga.instance.UNIT_POINT) {
+                computedWidth = maxWidth.value;
               }
             }