core/state/snapshot: fix typo in comment (#23219)

Author: zzyalbert

core/state/snapshot/snapshot.go

@@ -469,7 +469,7 @@ func (t *Tree) cap(diff *diffLayer, layers int) *diskLayer {
 		if flattened.memory < aggregatorMemoryLimit {
 			// Accumulator layer is smaller than the limit, so we can abort, unless
 			// there's a snapshot being generated currently. In that case, the trie
-			// will move fron underneath the generator so we **must** merge all the
+			// will move from underneath the generator so we **must** merge all the
 			// partial data down into the snapshot and restart the generation.
 			if flattened.parent.(*diskLayer).genAbort == nil {
 				return nil