Hide password field in incoming server settings when not needed

feature/account/setup/src/main/kotlin/app/k9mail/feature/account/setup/domain/entity/AuthenticationType.kt

@@ -2,12 +2,24 @@ package app.k9mail.feature.account.setup.domain.entity
 
 import kotlinx.collections.immutable.toImmutableList
 
-enum class AuthenticationType {
-    None,
-    PasswordCleartext,
-    PasswordEncrypted,
-    ClientCertificate,
-    OAuth2,
+enum class AuthenticationType(
+    val isPasswordRequired: Boolean,
+) {
+    None(
+        isPasswordRequired = false,
+    ),
+    PasswordCleartext(
+        isPasswordRequired = true,
+    ),
+    PasswordEncrypted(
+        isPasswordRequired = true,
+    ),
+    ClientCertificate(
+        isPasswordRequired = false,
+    ),
+    OAuth2(
+        isPasswordRequired = false,
+    ),
     ;
 
     companion object {

feature/account/setup/src/main/kotlin/app/k9mail/feature/account/setup/ui/incoming/AccountIncomingConfigContent.kt

@@ -155,13 +155,15 @@ internal fun AccountIncomingConfigContent(
                     )
                 }
 
-                item {
-                    PasswordInput(
-                        password = state.password.value,
-                        errorMessage = state.password.error?.toResourceString(resources),
-                        onPasswordChange = { onEvent(Event.PasswordChanged(it)) },
-                        contentPadding = defaultItemPadding(),
-                    )
+                if (state.isPasswordFieldVisible) {
+                    item {
+                        PasswordInput(
+                            password = state.password.value,
+                            errorMessage = state.password.error?.toResourceString(resources),
+                            onPasswordChange = { onEvent(Event.PasswordChanged(it)) },
+                            contentPadding = defaultItemPadding(),
+                        )
+                    }
                 }
 
                 item {

feature/account/setup/src/main/kotlin/app/k9mail/feature/account/setup/ui/incoming/AccountIncomingConfigStateExtensions.kt

@@ -0,0 +1,4 @@
+package app.k9mail.feature.account.setup.ui.incoming
+
+internal val AccountIncomingConfigContract.State.isPasswordFieldVisible: Boolean
+    get() = authenticationType.isPasswordRequired