fix: improve getNestedField to fetch field in objects containing arrays

- the regex breaks the path into segments, handling both dot (.) and bracket ([]) notations
- the filter(Boolean) ensures empty strings are excluded

Signed-off-by: Dave Canton <[email protected]>

Author: dvcanton

src/components/form-field/form-field.tsx

@@ -9,9 +9,10 @@ import { v1 as uuid } from 'uuid';
 require('./form-field.scss');
 
 export function getNestedField(src: any, path: string): any {
-    const parts = path.split('.');
+    const parts = path.split(/\.|\[|\]/).filter(Boolean);
     while (parts.length > 0 && src) {
-        src = src[parts.splice(0, 1)[0]];
+        let segment = parts.splice(0, 1)[0]
+        src = src[isNaN(segment as any) ? segment : Number(segment)];
     }
     return src;
 }