Is there any intention or idea for development in the future by placing the cash and cash equivalent account as an account in the Payments and receipts?
I always face a problem when importing a bank statement and there is an inter account transfer
That would be impossible, because Cash and cash equivalents is a control account. It is not a cash or bank account itself.
When transferring funds electronically between accounts you can include IAT in the description and set your payment and receipt rules to allocate those transactions to an account created by you named Inter Account Transfers. The balance of that account should be nil if all outgoing and incoming IATs are correctly allocated to that account.
@tony is right. I only addressed your first paragraph, @MCasper. He addressed second. The reasoning is related, though.
With a transfer, the payment and receipt must still go to individual cash or bank accounts, because that is where the transactions actually happen. No deposit or withdrawal occurs in a control account. If the program allowed that, you would be unable to reconcile multiple accounts, because you would not have recorded which were involved in the transfer.