🐛 Capitalize text on Insight drawer (#2535)

Resolves: https://issues.redhat.com/browse/MTA-5903
Resolves: #2539

## Summary by CodeRabbit
* **Style**
  * Updated the insight detail drawer header text for improved terminology
    consistency and alignment with app translations.

---------

Signed-off-by: Nandini Chandra <[email protected]>
Signed-off-by: Scott Dickerson <[email protected]>
Co-authored-by: Scott Dickerson <[email protected]>

Author: nachandr

client/src/app/pages/insights/insight-detail-drawer.tsx

@@ -52,7 +52,7 @@ export const InsightDetailDrawer: React.FC<IInsightDetailDrawerProps> = ({
       header={
         <TextContent>
           <Text component="small" className={spacing.mb_0}>
-            {t("insight")}
+            {t("terms.insight")}
           </Text>
           <Title headingLevel="h2" size="lg" className={spacing.mtXs}>
             {insight ? getInsightTitle(insight) : ""}