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

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2026_03_30_050801) do
+ActiveRecord::Schema[7.2].define(version: 2026_04_08_151837) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -1215,10 +1215,14 @@ ActiveRecord::Schema[7.2].define(version: 2026_03_30_050801) do
     t.datetime "last_health_check_at"
     t.string "website_url"
     t.string "kind", default: "standard", null: false
+    t.string "price_provider"
+    t.string "offline_reason"
     t.index "upper((ticker)::text), COALESCE(upper((exchange_operating_mic)::text), ''::text)", name: "index_securities_on_ticker_and_exchange_operating_mic_unique", unique: true
     t.index ["country_code"], name: "index_securities_on_country_code"
     t.index ["exchange_operating_mic"], name: "index_securities_on_exchange_operating_mic"
     t.index ["kind"], name: "index_securities_on_kind"
+    t.index ["price_provider", "offline_reason"], name: "index_securities_on_price_provider_and_offline_reason"
+    t.index ["price_provider"], name: "index_securities_on_price_provider"
     t.check_constraint "kind::text = ANY (ARRAY['standard'::character varying, 'cash'::character varying]::text[])", name: "chk_securities_kind"
   end