Ensure that the default account provider cannot be "*"

This should not happen IRL, but better be robust against issue in application configuration.

Author: bmarty

features/login/impl/src/main/kotlin/io/element/android/features/login/impl/accountprovider/AccountProviderDataSource.kt

@@ -20,7 +20,7 @@ import javax.inject.Inject
 class AccountProviderDataSource @Inject constructor(
     enterpriseService: EnterpriseService,
 ) {
-    private val defaultAccountProvider = (enterpriseService.defaultHomeserverList().firstOrNull() ?: AuthenticationConfig.MATRIX_ORG_URL)
+    private val defaultAccountProvider = (enterpriseService.defaultHomeserverList().firstOrNull { it != "*" } ?: AuthenticationConfig.MATRIX_ORG_URL)
         .let { url ->
             AccountProvider(
                 url = url,

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/accountprovider/AccountProviderDataSourceTest.kt

@@ -60,6 +60,28 @@ class AccountProviderDataSourceTest {
         }
     }
 
+    @Test
+    fun `present - ensure that default homeserver is not start char`() = runTest {
+        val sut = AccountProviderDataSource(
+            FakeEnterpriseService(
+                defaultHomeserverListResult = { listOf("*", AuthenticationConfig.MATRIX_ORG_URL) }
+            )
+        )
+        sut.flow.test {
+            val initialState = awaitItem()
+            assertThat(initialState).isEqualTo(
+                AccountProvider(
+                    url = AuthenticationConfig.MATRIX_ORG_URL,
+                    title = "matrix.org",
+                    subtitle = null,
+                    isPublic = true,
+                    isMatrixOrg = true,
+                    isValid = false,
+                )
+            )
+        }
+    }
+
     @Test
     fun `present - user change and reset`() = runTest {
         val sut = AccountProviderDataSource(FakeEnterpriseService())