fix: double tooltips shown on discover export button (#71501)

Fixes #64553

Export button shows the Feature gate tooltip as well as the small export
size tooltip.
Should not show the small export size tooltip if Feature is not
available.

static/app/views/discover/table/tableActions.tsx

@@ -66,9 +66,13 @@ function renderBrowserExportButton(canEdit: boolean, props: Props) {
       onClick={onClick}
       data-test-id="grid-download-csv"
       icon={<IconDownload />}
-      title={t(
-        "There aren't that many results, start your export and it'll download immediately."
-      )}
+      title={
+        !disabled
+          ? t(
+              "There aren't that many results, start your export and it'll download immediately."
+            )
+          : undefined
+      }
     >
       {t('Export All')}
     </Button>