fix: Don't show make jv button if  equity or liability account and asset account not specified (#19350)

diff --git a/erpnext/accounts/doctype/share_transfer/share_transfer.js b/erpnext/accounts/doctype/share_transfer/share_transfer.js
index 446ae68..364ca6f 100644
--- a/erpnext/accounts/doctype/share_transfer/share_transfer.js
+++ b/erpnext/accounts/doctype/share_transfer/share_transfer.js
@@ -16,7 +16,7 @@
 				};
 			};
 		});
-		if (frm.doc.docstatus == 1) {
+		if (frm.doc.docstatus == 1 && frm.doc.equity_or_liability_account && frm.doc.asset_account) {
 			frm.add_custom_button(__('Create Journal Entry'), function () {
 				erpnext.share_transfer.make_jv(frm);
 			});