fix typo to preserve column types (#915)

Signed-off-by: vijayrathore8492 <professional.vijay8492@gmail.com>

packages/nocodb/src/lib/sqlMgr/code/models/xc/BaseModelXcMeta.ts

@@ -57,7 +57,7 @@ abstract class BaseModelXcMeta extends BaseRender {
       }
 
       const oldColMeta = this.ctx?.oldMeta?.columns?.find(c => {
-        return columnObj.cn == c.cn && columnObj.tpe == c.type;
+        return columnObj.cn == c.cn && columnObj.type == c.type;
       });
 
       if (oldColMeta) {