Expand financial providers (#1407)

* Initial implementation

* Tiingo fixes

* Adds 2 providers, remove 2

* Add  extra checks

* FIX a big hotwire race condition

// Fix hotwire_combobox race condition: when typing quickly, a slow response for
// an early query (e.g. "A") can overwrite the correct results for the final query
// (e.g. "AAPL"). We abort the previous in-flight request whenever a new one fires,
// so stale Turbo Stream responses never reach the DOM.

* pipelock

* Update price_test.rb

* Reviews

* i8n

* fixes

* fixes

* Update tiingo.rb

* fixes

* Improvements

* Big revamp

* optimisations

* Update 20260408151837_add_offline_reason_to_securities.rb

* Add missing tests, fixes

* small rank tests

* FIX tests

* Update show.html.erb

* Update resolver.rb

* Update usd_converter.rb

* Update holdings_controller.rb

* Update holdings_controller.rb

* Update holdings_controller.rb

* Update holdings_controller.rb

* Update holdings_controller.rb

* Update _yahoo_finance_settings.html.erb

app/views/trades/_form.html.erb

@@ -25,7 +25,7 @@
         }} %>
 
       <% if %w[buy sell].include?(type) %>
-        <% if Security.provider.present? %>
+        <% if Security.providers.any? %>
           <div class="form-field combobox">
             <%= form.combobox :ticker,
                             securities_path(country_code: Current.family.country),

app/views/trades/show.html.erb

@@ -8,6 +8,14 @@
   <% trade = @entry.trade %>
   <% dialog.with_body do %>
     <%= render "entries/protection_indicator", entry: @entry, unlock_path: unlock_trade_path(trade) %>
+    <% if trade.security&.provider_status == :provider_unavailable %>
+      <div class="px-3 py-2">
+        <%= render DS::Alert.new(
+          message: t(".provider_disabled_warning", provider: trade.security.price_provider&.humanize || "Unknown"),
+          variant: :warning
+        ) %>
+      </div>
+    <% end %>
     <% dialog.with_section(title: t(".details"), open: true) do %>
       <div class="pb-4">
         <%= styled_form_with model: @entry,