fix: correct report name in inner button (#41568)

Previously, the report name was incorrectly listed as "Cash Flow Statement" instead of "Cash Flow". This mismatch caused the "Cash Flow" report to not open correctly in the chart of accounts tree view, as the report ID is "Cash Flow".

erpnext/accounts/doctype/account/account_tree.js

@@ -222,7 +222,7 @@ frappe.treeview_settings["Account"] = {
 			"General Ledger",
 			"Balance Sheet",
 			"Profit and Loss Statement",
-			"Cash Flow Statement",
+			"Cash Flow",
 			"Accounts Payable",
 			"Accounts Receivable",
 		]) {