Improve account transaction, trade, and valuation editing and sync experience (#1506)

* Consolidate entry controller logic

* Transaction builder

* Update trades controller to use new params

* Load account charts in turbo frames, fix PG overflow

* Consolidate tests

* Tests passing

* Remove unused code

* Add client side trade form validations

app/controllers/securities_controller.rb

@@ -1,5 +1,18 @@
 class SecuritiesController < ApplicationController
-  def import
-    SecuritiesImportJob.perform_later(params[:exchange_mic])
+  def index
+    query = params[:q]
+    return render json: [] if query.blank? || query.length < 2 || query.length > 100
+
+    @securities = Security.search({
+      search: query,
+      country: country_code_filter
+    })
   end
+
+  private
+    def country_code_filter
+      filter = params[:country_code]
+      filter = "#{filter},US" unless filter == "US"
+      filter
+    end
 end