test: Wait for text field in edit title test case

- In the `EditTitleAfterSaveTestCase`, add a `waitUntilDisplayed` call for the "Note Text Field".
- This ensures the text field is visible before attempting to type into it, improving test stability.

Author: softartdev

ui/test/src/commonMain/kotlin/com/softartdev/notedelight/ui/cases/EditTitleAfterSaveTestCase.kt

@@ -32,6 +32,7 @@ class EditTitleAfterSaveTestCase(
             composeUiTest.waitUntilDisplayed("fab", blockSNI = ::fabSNI)
             fabSNI.performClick()
             noteScreen {
+                composeUiTest.waitUntilDisplayed("Note Text Field", blockSNI = ::textFieldSNI)
                 textFieldSNI.performTextInput(actualNoteText)
                 saveNoteMenuButtonSNI.performClick()
                 backButtonSNI.performClick()