Bug 1854739 - Catch crash when migrating pref_key_search_widget_installed

app/src/main/java/org/mozilla/fenix/utils/Settings.kt

@@ -1230,7 +1230,11 @@ class Settings(private val appContext: Context) : PreferencesHolder {
      */
     fun migrateSearchWidgetInstalledPrefIfNeeded() {
         val oldKey = "pref_key_search_widget_installed"
-        val installedCount = preferences.getInt(oldKey, 0)
+        val installedCount = try {
+            preferences.getInt(oldKey, 0)
+        } catch (e: ClassCastException) {
+            0
+        }
 
         if (installedCount > 0) {
             setSearchWidgetInstalled(true)

app/src/test/java/org/mozilla/fenix/utils/SettingsTest.kt

@@ -995,4 +995,13 @@ class SettingsTest {
         assertEquals(expectedDefaultValue, settings.preferences.getInt(oldPrefKey, expectedDefaultValue))
         assertFalse(settings.searchWidgetInstalled)
     }
+
+    @Test
+    fun `GIVEN previously stored pref_key_search_widget_installed value is Boolean WHEN calling migrateSearchWidgetInstalledIfNeeded THEN crash should not happen`() {
+        val oldPrefKey = "pref_key_search_widget_installed"
+        settings.preferences.edit().putBoolean(oldPrefKey, false).apply()
+
+        settings.migrateSearchWidgetInstalledPrefIfNeeded()
+        assertFalse(settings.searchWidgetInstalled)
+    }
 }