Impacted versions:
master

Steps to reproduce:
On the video

Current behavior:
You have to write the name of the group only

Expected behavior:
Either Writing the code or the name of an Account Group fetch the record 

Video/Screenshot link (optional):
https://drive.google.com/file/d/0B1w9gokcJL9hVWpaMTdGQ3RlLTQ/view

help="Select 'Sale' for customer invoices journals.\n"\
        "Select 'Purchase' for vendor bills journals.\n"\
        "Select 'Cash' or 'Bank' for journals that are used in customer or vendor payments.\n"\
        "Select 'General' for miscellaneous operations journals.")
    type_control_ids = fields.Many2many('account.account.type', 'account_journal_type_rel', 'journal_id', 'type_id', string='Account Types Allowed')
    account_control_ids = fields.Many2many('account.account', 'account_account_type_rel', 'journal_id', 'account_id', string='Accounts Allowed',
        domain=[('deprecated', '=', False)])
    default_credit_account_id = fields.Many2one('account.account', string='Default Credit Account',
        domain=[('deprecated', '=', False)], help="It acts as a default account for credit amount")
    default_debit_account_id = fields.Many2one('account.account', string='Default Debit Account',
        domain=[('deprecated', '=', False)], help="It acts as a default account for debit amount")
    update_posted = fields.Boolean(string='Allow Cancelling Entries',
        help="Check this box if you want to allow the cancellation the entries related to this journal or of the invoice related to this journal")
    group_invoice_lines = fields.Boolean(string='Group Invoice Lines',
        help="If this box is checked, the system will try to group the accounting lines when generating them from invoices.")
    sequence_id = fields.Many2one('ir.sequence', string='Entry Sequence',
        help="This field contains the information related to the numbering of the journal entries of this journal.", required=True, copy=False)
    refund_sequence_id = fields.Many2one('ir.sequence', string='Credit Note Entry Sequence',
        help="This field contains the information related to the numbering of the credit note entries of this journal.", copy=False)
    sequence = fields.Integer(help='Used to order Journals in the dashboard view', default=10)
    sequence_number_next = fields.Integer(string='Next Number',
        help='The next sequence number will be used for the next invoice.',
        compute='_compute_seq_number_next',
        inverse='_inverse_seq_number_next')
    refund_sequence_number_next = fields.Integer(string='Credit Notes: Next Number',
        help='The next sequence number will be used for the next credit note.',
        compute='_compute_refund_seq_number_next',
        inverse='_inverse_refund_seq_number_next')
    
    currency_id = fields.Many2one('res.currency', help='The currency used to enter statement', string="Currency", oldname='currency')