Fix label measurement after SSR hydration mismatch (#2626)

Co-authored-by: Charlie Brown <carbonrobot@gmail.com>

Author: jmezzacappa

.changeset/tender-insects-rest.md

@@ -0,0 +1,5 @@
+---
+"victory-core": patch
+---
+
+Fix text label measurements after SSR hydration mismatch

packages/victory-core/src/victory-util/textsize.ts

@@ -297,7 +297,11 @@ const styleToKeyComponent = (style) => {
 
 const _measureDimensionsInternal = memoize(
   (text: string | string[], style?: TextSizeStyleInterface) => {
-    const containerElement = _getMeasurementContainer();
+    let containerElement = _getMeasurementContainer();
+    if (!containerElement.isConnected) {
+      _getMeasurementContainer.cache.clear?.();
+      containerElement = _getMeasurementContainer();
+    }
 
     const lines = _splitToLines(text);
     let heightAcc = 0;