fix: show meta filter on explorer only if there is meta (#6570)

Author: jdolle

packages/web/app/src/pages/target-explorer-deprecated.tsx

@@ -259,7 +259,7 @@ function DeprecatedSchemaExplorer(props: {
             targetSlug={props.targetSlug}
             variant="deprecated"
           />
-          {latestValidSchemaVersion?.explorer?.metadataAttributes ? (
+          {latestValidSchemaVersion?.explorer?.metadataAttributes?.length ? (
             <MetadataFilter options={latestValidSchemaVersion.explorer.metadataAttributes} />
           ) : null}
         </div>

packages/web/app/src/pages/target-explorer-type.tsx

@@ -244,7 +244,7 @@ function TypeExplorerPageContent(props: {
                 targetSlug={props.targetSlug}
                 variant="all"
               />
-              {latestSchemaVersion?.explorer?.metadataAttributes ? (
+              {latestSchemaVersion?.explorer?.metadataAttributes?.length ? (
                 <MetadataFilter options={latestSchemaVersion.explorer.metadataAttributes} />
               ) : null}
             </>

packages/web/app/src/pages/target-explorer.tsx

@@ -221,7 +221,7 @@ function ExplorerPageContent(props: {
                 targetSlug={props.targetSlug}
                 variant="all"
               />
-              {latestValidSchemaVersion?.explorer?.metadataAttributes ? (
+              {latestValidSchemaVersion?.explorer?.metadataAttributes?.length ? (
                 <MetadataFilter options={latestValidSchemaVersion.explorer.metadataAttributes} />
               ) : null}
             </>