Populate holdings for "offline" securities properly (#1958)

* Placeholder logic for missing prices

* Generate holdings properly for "offline" securities

* Separate forward and reverse calculators for holdings and balances

* Remove unnecessary currency conversion during sync

* Clearer sync process

* Move price caching logic to dedicated model

* Base holding calculator

* Base calculator for balances

* Finish balance calculators

* Better naming

* Logs cleanup

* Remove stale data type

* Remove stale test

* Fix price lookup logic for holdings sync

* Fix Plaid item sync regression

* Remove temp logging

* Calculate cash and holdings series

* Add holdings, cash, and balance series dropdown for investments

app/controllers/accounts_controller.rb

@@ -18,6 +18,7 @@ class AccountsController < ApplicationController
   end
 
   def chart
+    @chart_view = params[:chart_view] || "balance"
     render layout: "application"
   end
 

app/controllers/concerns/accountable_resource.rb

@@ -23,6 +23,7 @@ module AccountableResource
   end
 
   def show
+    @chart_view = params[:chart_view] || "balance"
     @q = params.fetch(:q, {}).permit(:search)
     entries = @account.entries.search(@q).reverse_chronological
 

app/controllers/concerns/auto_sync.rb

@@ -13,6 +13,7 @@ module AutoSync
 
     def family_needs_auto_sync?
       return false unless Current.family.present?
+      return false unless Current.family.accounts.active.any?
 
       (Current.family.last_synced_at&.to_date || 1.day.ago) < Date.current
     end