exchange_rates_source function fix in case of token_bridge source: it should use coinGecko source

CHANGELOG.md

@@ -7,6 +7,7 @@
 - [#5540](https://github.com/blockscout/blockscout/pull/5540) - Tx page: scroll to selected tab's data
 
 ### Fixes
+- [#5635](https://github.com/blockscout/blockscout/pull/5635) - Set CoinGecko source in exchange_rates_source function fix in case of token_bridge
 - [#5629](https://github.com/blockscout/blockscout/pull/5629) - Fix empty coin balance for empty address
 - [#5612](https://github.com/blockscout/blockscout/pull/5612) - Fix token transfers order
 - [#5626](https://github.com/blockscout/blockscout/pull/5626) - Fix vyper compiler versions order

apps/explorer/lib/explorer/exchange_rates/source.ex

@@ -88,7 +88,11 @@ defmodule Explorer.ExchangeRates.Source do
 
   @spec exchange_rates_source() :: module()
   defp exchange_rates_source do
-    config(:source) || Explorer.ExchangeRates.Source.CoinGecko
+    if config(:source) == Explorer.ExchangeRates.Source.TokenBridge do
+      Explorer.ExchangeRates.Source.CoinGecko
+    else
+      config(:source) || Explorer.ExchangeRates.Source.CoinGecko
+    end
   end
 
   @spec config(atom()) :: term