show correct install error messages for VPP software (#20732)

relates to #20710, #20709

a quick fix to show the correct install software error messages.
includes:

1. error message for no available VPP app licenses
2. Error when Vpp app is deleted and user tried to install

frontend/pages/hosts/details/cards/Software/helpers.tsx

@@ -18,6 +18,15 @@ const createVPPTokenExpiredMessage = () => (
   </>
 );
 
+// determines if we want to show the API message as is to the user.
+const showAPIMessage = (message: string) => {
+  return (
+    message.includes("MDM is turned off") ||
+    message.includes("No available licenses") ||
+    message.includes("Software title is not available for install")
+  );
+};
+
 // eslint-disable-next-line import/prefer-default-export
 export const getErrorMessage = (e: unknown) => {
   const reason = upperFirst(trimEnd(getErrorReason(e), "."));
@@ -27,8 +36,8 @@ export const getErrorMessage = (e: unknown) => {
   } else if (reason.includes("can be installed only on")) {
     return createOnlyInstallableOnMacOSMessage(reason);
   } else if (reason.includes("VPP token expired")) {
-    createVPPTokenExpiredMessage();
-  } else if (reason.includes("MDM is turned off")) {
+    return createVPPTokenExpiredMessage();
+  } else if (showAPIMessage(reason)) {
     return reason;
   }