Transfer and Payment auto-matching, model and UI improvements (#1585)

* Transfer data model migration

* Transfers and payment modeling and UI improvements

* Fix CI

* Transfer matching flow

* Better UI for transfers

* Auto transfer matching, approve, reject flow

* Mark transfers created from form as confirmed

* Account filtering

* Excluded rejected transfers from calculations

* Calculation tweaks with transfer exclusions

* Clean up migration

app/models/plaid_investment_sync.rb

@@ -31,7 +31,6 @@ class PlaidInvestmentSync
             t.amount = transaction.amount
             t.currency = transaction.iso_currency_code
             t.date = transaction.date
-            t.marked_as_transfer = transaction.subtype.in?(%w[deposit withdrawal])
             t.entryable = Account::Transaction.new
           end
         else