Transactions cleanup (#817)

An overhaul and cleanup of the transactions feature including:

- Simplification of transactions search and filtering
- Consolidation of account sync logic after transaction change
- Split sidebar modal and modal into "drawer" and "modal" concepts
- Refactor of transaction partials and folder organization
- Cleanup turbo frames and streams for transaction updates, including new Transactions::RowsController for inline updates
- Refactored and added several integration and systems tests

app/controllers/transactions/rows_controller.rb

@@ -0,0 +1,22 @@
+class Transactions::RowsController < ApplicationController
+  before_action :set_transaction, only: %i[ show update ]
+
+  def show
+  end
+
+  def update
+    @transaction.update! transaction_params
+
+    redirect_to transaction_row_path(@transaction)
+  end
+
+  private
+
+    def transaction_params
+      params.require(:transaction).permit(:category_id)
+    end
+
+    def set_transaction
+      @transaction = Current.family.transactions.find(params[:id])
+    end
+end