Improve search result merging and dropdown display

Refines logic in SearchForm to only show account results from slow search if no specific entity is found in fast search. Updates SearchResultDropdown to compare block IDs case-insensitively and only show loading spinner when account results are present.

Author: nelitow

packages/app-explorer/src/systems/Core/components/Search/SearchForm.tsx

@@ -57,26 +57,31 @@ export function SearchForm({ className, autoFocus }: SearchFormProps) {
       const slowResponse = await ApiService.searchSlow(query).catch(() => null);
 
       if (slowResponse) {
-        // Merge fast and slow results
+        // Only add account from slow if fast didn't find a specific entity
+        // Account is a fallback result, not a primary result
+        const hasSpecificResult =
+          fastResponse?.block ||
+          fastResponse?.contract ||
+          fastResponse?.transaction ||
+          fastResponse?.asset ||
+          fastResponse?.predicate;
+
         let merged: GQLSearchResult | null = null;
 
-        if (fastResponse) {
-          // If we had fast results, merge with slow
-          merged = {
-            ...fastResponse,
-            ...slowResponse,
-          };
+        if (hasSpecificResult) {
+          // Keep fast results as-is, don't add account
+          merged = fastResponse;
         } else if (slowResponse.account) {
-          // If slow found account transactions, update the account with transactions
+          // Only show account from slow if fast found nothing specific
           merged = {
             account: {
               ...slowResponse.account,
               __typename: 'SearchAccount',
             },
           } as GQLSearchResult;
         } else {
-          // Keep the empty account we showed earlier, or merge slow results
-          merged = slowResponse;
+          // No specific results and no account with transactions
+          merged = fastResponse; // Could be null or undefined
         }
 
         setResults(merged || undefined);

packages/app-explorer/src/systems/Core/components/Search/SearchResultDropdown/SearchResultDropdown.tsx

@@ -142,7 +142,8 @@ export const SearchResultDropdown = forwardRef<
               )}
               {searchResult?.block && (
                 <>
-                  {searchResult.block.id === searchValue && (
+                  {searchResult.block.id?.toLowerCase() ===
+                    searchValue?.toLowerCase() && (
                     <>
                       <Dropdown.Label className={classes.dropdownLabel()}>
                         Block Hash
@@ -250,7 +251,7 @@ export const SearchResultDropdown = forwardRef<
                   </Dropdown.Item>
                 </>
               )}
-              {loadingMore && (
+              {loadingMore && searchResult?.account && (
                 <div className={classes.loadingContainer()}>
                   <Spinner
                     size={16}