Migrate valuations controller to new reconciliation methods

app/views/accounts/show/_activity.html.erb

@@ -10,7 +10,7 @@
 
           <% menu.with_item(
               variant: "link",
-              text: "New balance",
+              text: "Account #{account.asset? ? "value" : "balance"} update",
               icon: "circle-dollar-sign",
               href: new_valuation_path(account_id: @account.id),
               data: { turbo_frame: :modal }) %>

app/views/valuations/_form.html.erb

@@ -10,8 +10,8 @@
   <div class="space-y-3">
     <%= form.hidden_field :name, value: "Balance update" %>
     <%= form.date_field :date, label: true, required: true, value: Date.current, min: Entry.min_supported_date, max: Date.current %>
-    <%= form.money_field :amount, label: t(".amount"), required: true %>
+    <%= form.money_field :amount, label: t(".amount"), required: true, disable_currency: true %>
   </div>
 
-  <%= form.submit t(".submit") %>
+  <%= form.submit "Update account #{entry.account.asset? ? "value" : "balance"}" %>
 <% end %>

app/views/valuations/new.html.erb

@@ -1,6 +1,12 @@
+<% term = @entry.account.asset? ? "value" : "balance" %>
+
 <%= render DialogComponent.new do |dialog| %>
-  <% dialog.with_header(title: t(".title")) %>
+  <% dialog.with_header(title: "Account #{term} update") %>
   <% dialog.with_body do %>
     <%= render "form", entry: @entry, error_message: @error_message %>
+
+    <p class="text-sm text-secondary mt-4">
+      This action "resets" the account's <%= term %> to the new value, on the date. Subsequent entries after this date will reference the new value.
+    </p>
   <% end %>
 <% end %>