* perf: get payment ledger and remove update from delink when immutable ledger is enabled
* revert: changes of get_payment_ledger_entries
* perf: skip delink_original_entry during cancellation when Immutable Ledger is enabled
* test: for immutable ledger
* test: add posting_date in create_sales_invoice
* fix: link validation err with immutable ledger on
* test: update testcase of the immutable ledger
* refactor(test): simpler test for immutable invariants
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Co-authored-by: ruthra kumar <ruthra@erpnext.com>
(cherry picked from commit 9eeccecd30)
# Conflicts:
# erpnext/accounts/general_ledger.py
8a4cb28d90