fix: token is not removed from ignored tokens list when added back due to case insensiteivity

Author: juanmigdr

packages/assets-controllers/src/TokensController.ts

@@ -534,15 +534,17 @@ export class TokensController extends BaseController<
           aggregators,
           name,
         };
-        newTokensMap[address] = formattedToken;
+        newTokensMap[checksumAddress] = formattedToken;
         importedTokensMap[address.toLowerCase()] = true;
         return formattedToken;
       });
       const newTokens = Object.values(newTokensMap);
 
       const newIgnoredTokens = allIgnoredTokens[interactingChainId]?.[
         this.#getSelectedAddress()
-      ]?.filter((tokenAddress) => !newTokensMap[tokenAddress.toLowerCase()]);
+      ]?.filter(
+        (tokenAddress) => !newTokensMap[toChecksumHexAddress(tokenAddress)],
+      );
 
       const detectedTokensForGivenChain = interactingChainId
         ? allDetectedTokens?.[interactingChainId]?.[this.#getSelectedAddress()]