Clear the hard line break flag when resetting the TextWrapper

See https://github.com/flutter/flutter/issues/104208

Change-Id: I963fc77931014ed3c312a3e2667dc3e8cb31fe2b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/544116
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Jason Simmons <jsimmons@google.com>

modules/skparagraph/src/TextWrapper.h

@@ -210,6 +210,7 @@ private:
         fClip.clean();
         fTooLongCluster = false;
         fTooLongWord = false;
+        fHardLineBreak = false;
     }
 
     void lookAhead(SkScalar maxWidth, Cluster* endOfClusters);