fix: mixed content build without rows at the end

Author: leoreisdias

package.json

@@ -1,6 +1,6 @@
 {
   "name": "excel-ent",
-  "version": "4.2.1",
+  "version": "4.2.3",
   "license": "MIT",
   "publishConfig": {
     "access": "public"

src/helpers/rows.ts

@@ -41,7 +41,9 @@ const handleMixedStructure = (data: ExcelEntDataStructure) => {
 
       rows.push(...transposed);
 
-      currentIndex = nextRowIndex === -1 ? currentIndex : nextRowIndex;
+      if (nextRowIndex === -1) break;
+
+      currentIndex = nextRowIndex;
     }
   }