fix plan feature digitizing without selected plan feature type

Now plan feature type button does not toggle off by pressing it again, so clearing selection requires user to change map tool

Author: nmaarnio

arho_feature_template/gui/components/new_feature_grid_widget.py

@@ -56,14 +56,11 @@ def update_height(self):
         self.setFixedHeight(new_height)
 
     def handle_button_click(self, btn: FeatureButton):
-        # Clear other button selections
-        self.clear_selections(btn)
+        self.clear_selections(exclude=btn)
 
         # Map button texts to layer names
-        if btn.isChecked():
-            self.active_feature_type_changed.emit(btn.text(), FEATURE_TYPE_TO_LAYER_NAME[btn.text()])
-        else:
-            self.active_feature_type_changed.emit("", "")
+        btn.setChecked(True)
+        self.active_feature_type_changed.emit(btn.text(), FEATURE_TYPE_TO_LAYER_NAME[btn.text()])
 
     def clear_selections(self, exclude: FeatureButton | None = None):
         for btn in self.buttons.values():