Summary

• Closes TextEdit hint text alignment and cursor position is inconsistent with align functions #8309
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TextEdit hint text was always aligned to Align2::LEFT_TOP, ignoring the alignment set via TextEdit::horizontal_align / vertical_align. This caused the hint text, the cursor, and the typed text to disagree on alignment: e.g. a centered TextEdit showed a left-aligned hint with a centered cursor.

The hint text atoms now use the widget's align, so the hint matches the input text alignment. The default align is still LEFT_TOP, so multi line text edits (and the default styling) are unchanged.

Root cause

In crates/egui/src/widgets/text_edit/builder.rs, the hint-text branch hardcoded:

atoms.push_right(atom.atom_align(Align2::LEFT_TOP));

while the input-text branch used .atom_align(self.align). The hint path now uses align as well.

Drive-by: silence clippy::unnecessary_wraps in egui_kittest::app_kind

AppKind::run returns Option<egui::Response>. The Option wrap is required when the eframe feature is enabled (the Eframe branch returns None), but clippy::unnecessary_wraps fires when egui_kittest is built standalone without the eframe feature (e.g. cargo clippy -p egui_kittest). The workspace CI run doesn't hit it because feature unification via egui_demo_app enables eframe, but it's a real annoyance for anyone linting the crate on its own. Added a scoped #[cfg_attr(not(feature = "eframe"), expect(clippy::unnecessary_wraps))] with an explanatory comment.

Test plan

• Added textedit_hint_text_should_follow_text_alignment kittest regression in crates/egui_kittest/tests/regression_tests.rs. It fails before the fix (hint_center_x=24.25 vs edit_center_x=100) and passes after.
• cargo test -p egui
• cargo test -p egui_kittest --all-features --test regression_tests
• cargo clippy -p egui_kittest --all-features --test regression_tests -- -D warnings
• RUSTFLAGS="-D warnings" cargo clippy -p egui_kittest --lib (pre-existing unnecessary_wraps now silenced)
• cargo clippy -p egui -- -D warnings
• cargo fmt --check