Make certificate list scrollable (#41891)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->

Resolves #39014

- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.

## Testing

- [x] QA'd all new/changed functionality manually

<img width="1080" height="2400" alt="image"
src="https://github.com/user-attachments/assets/2ab7c440-9e0b-4676-b024-a8e2fbe934f1"
/>
<img width="1080" height="2400" alt="image"
src="https://github.com/user-attachments/assets/1b3284b3-43f2-4a0f-9609-dc20f6745518"
/>

android/app/src/main/java/com/fleetdm/agent/MainActivity.kt

@@ -146,15 +146,17 @@ fun MainScreen(onNavigateToDebug: () -> Unit) {
                     }
                 }
                 HorizontalDivider()
-                CertificateList(certificates = installedCerts)
-                AppVersion {
-                    if (++versionClicks >= CLICKS_TO_DEBUG) {
-                        onNavigateToDebug()
-                    } else if (versionClicks == 1) {
-                        val clipboard = context.getSystemService(ClipboardManager::class.java)
-                            ?: error("ClipboardManager not available")
-                        clipboard.setPrimaryClip(ClipData.newPlainText("", "Fleet Android Agent: ${BuildConfig.VERSION_NAME}"))
-                        Toast.makeText(context, "Fleet Agent version copied", Toast.LENGTH_SHORT).show()
+                Column(Modifier.verticalScroll(rememberScrollState())) {
+                    CertificateList(certificates = installedCerts)
+                    AppVersion {
+                        if (++versionClicks >= CLICKS_TO_DEBUG) {
+                            onNavigateToDebug()
+                        } else if (versionClicks == 1) {
+                            val clipboard = context.getSystemService(ClipboardManager::class.java)
+                                ?: error("ClipboardManager not available")
+                            clipboard.setPrimaryClip(ClipData.newPlainText("", "Fleet Android Agent: ${BuildConfig.VERSION_NAME}"))
+                            Toast.makeText(context, "Fleet Agent version copied", Toast.LENGTH_SHORT).show()
+                        }
                     }
                 }
             }