Preserve profile name input focus

tests/controller_menu_accessibility_validation.gd

@@ -735,6 +735,13 @@ func _validate_profile_confirmation_focus() -> void:
 	page.call("activate")
 	page.call("set_interactive", true)
 	page.call("reset_controller_zone")
+	var name_edit := page.get("_name_edit") as LineEdit
+	name_edit.grab_focus()
+	page.call("_on_name_changed", "V")
+	_expect(
+		root.gui_get_focus_owner() == name_edit,
+		"Typing a profile name released the active name field.",
+	)
 	var suggestions := page.get("_suggestions") as HBoxContainer
 	var suggestion := Button.new()
 	suggestion.text = "alternate name"

ui/profile_page.gd

@@ -365,54 +365,60 @@ func _apply_controller_zone_focus() -> void:
 			var control := item as Control
 			if control != null and control not in all_option_controls:
 				all_option_controls.append(control)
-	for control: Control in account_controls + category_controls + all_option_controls:
+	var active_controls: Array[Control] = []
-		control.focus_mode = Control.FOCUS_NONE
+	if _profile_interactive:
+		if _discard_confirmation != null and _discard_confirmation.visible:
+			active_controls = [
+				_confirmation_confirm,
+				_keep_editing_button,
+			]
+		else:
+			match _controller_zone:
+				ControllerZone.ACCOUNT:
+					active_controls = account_controls
+				ControllerZone.CATEGORIES:
+					active_controls = category_controls
+				ControllerZone.OPTIONS:
+					if not option_groups.is_empty():
+						_controller_option_depth = clampi(
+							_controller_option_depth,
+							0,
+							option_groups.size() - 1,
+						)
+						for item: Variant in option_groups[
+							_controller_option_depth
+						]:
+							var control := item as Control
+							if control != null:
+								active_controls.append(control)
+				ControllerZone.COLOR_PICKER:
+					active_controls = _color_picker_controller_controls()
+	var controlled_controls: Array[Control] = (
+		account_controls + category_controls + all_option_controls
+	)
 	for control: Control in [_confirmation_confirm, _keep_editing_button]:
-		if control != null:
+		if control != null and control not in controlled_controls:
-			control.focus_mode = Control.FOCUS_NONE
+			controlled_controls.append(control)
+	for control: Control in controlled_controls:
+		var button := control as BaseButton
+		var requested_focus_mode := (
+			Control.FOCUS_ALL
+			if (
+				control in active_controls
+				and (button == null or not button.disabled)
+			)
+			else Control.FOCUS_NONE
+		)
+		# Reassigning FOCUS_NONE to every control before restoring the active zone
+		# drops an active LineEdit after its first text_changed signal.
+		if control.focus_mode != requested_focus_mode:
+			control.focus_mode = requested_focus_mode
 	if _preview != null:
 		_preview.focus_mode = Control.FOCUS_NONE
 	if _reset_view_button != null:
 		_reset_view_button.focus_mode = Control.FOCUS_NONE
-	if not _profile_interactive:
+	if not _profile_interactive or active_controls.is_empty():
 		return
-	if _discard_confirmation != null and _discard_confirmation.visible:
-		var confirmation_controls: Array[Control] = [
-			_confirmation_confirm,
-			_keep_editing_button,
-		]
-		for control: Control in confirmation_controls:
-			control.focus_mode = Control.FOCUS_ALL
-		ControllerFocusNavigation.configure_spatial_neighbors(
-			confirmation_controls
-		)
-		return
-	var active_controls: Array[Control] = []
-	match _controller_zone:
-		ControllerZone.ACCOUNT:
-			active_controls = account_controls
-		ControllerZone.CATEGORIES:
-			active_controls = category_controls
-		ControllerZone.OPTIONS:
-			if not option_groups.is_empty():
-				_controller_option_depth = clampi(
-					_controller_option_depth,
-					0,
-					option_groups.size() - 1,
-				)
-				for item: Variant in option_groups[_controller_option_depth]:
-					var control := item as Control
-					if control != null:
-						active_controls.append(control)
-		ControllerZone.COLOR_PICKER:
-			active_controls = _color_picker_controller_controls()
-	for control: Control in active_controls:
-		var button := control as BaseButton
-		control.focus_mode = (
-			Control.FOCUS_ALL
-			if button == null or not button.disabled
-			else Control.FOCUS_NONE
-		)
 	ControllerFocusNavigation.configure_spatial_neighbors(active_controls)