### Godot version

4.0.dev (d0398f62f0)

### System information

Windows 10

### Issue description

`GraphNode` class declares members with conflicting names.  
- `selected` property: https://github.com/godotengine/godot/blob/0daa86d70e7338506c37bee6b6e0c4aba7255d68/scene/gui/graph_node.cpp#L1154
- `selected` signal: https://github.com/godotengine/godot/blob/0daa86d70e7338506c37bee6b6e0c4aba7255d68/scene/gui/graph_node.cpp#L1164

As now signals are truely members of the class, this leads to name colliding in several languages.  
- In GDScript, the signal can't be used as it is treated as a property:
![image](https://user-images.githubusercontent.com/48322356/210059248-edbbd142-5d34-41f0-a3f5-08d4f2e02fc3.png)
- In Kotlin, the generated API code cannot compile as signal and property declarations are conflicting:
```
e: ~\git\godot\modules\kotlin_jvm\kt\godot-library\src\main\kotlin\godot\gen\godot\GraphNode.kt: (53, 14): Conflicting declarations: public final val selected: Signal0, public final var selected: Boolean
e: ~\git\godot\modules\kotlin_jvm\kt\godot-library\src\main\kotlin\godot\gen\godot\GraphNode.kt: (182, 14): Conflicting declarations: public final val selected: Signal0, public final var selected: Boolean
```

### Steps to reproduce

Try to use `selected` signal from GDScript.

### Minimal reproduction project

N/A
}
}
void GraphEdit::_calculate_inner_shifts(Dictionary &r_inner_shifts, const Dictionary &r_root, const Dictionary &r_node_names, const Dictionary &r_align, const HashSet<StringName> &r_block_heads, const HashMap<StringName, Pair<int, int>> &r_port_info) {
	for (const StringName &E : r_block_heads) {
		real_t left = 0;
		StringName u = E;
		StringName v = r_align[u];
		while (u != v && (StringName)r_root[u] != v) {
			String _connection = String(u) + " " + String(v);
			GraphNode *gfrom = Object::cast_to<GraphNode>(r_node_names[u]);
			GraphNode *gto = Object::cast_to<GraphNode>(r_node_names[v]);
			Pair<int, int> ports = r_port_info[_connection];
			int pfrom = ports.first;
			int pto = ports.second;
			Vector2 frompos = gfrom->get_connection_output_position(pfrom);
			Vector2 topos = gto->get_connection_input_position(pto);
			real_t s = (real_t)r_inner_shifts[u] + (frompos.y - topos.y) / zoom;
			r_inner_shifts[v] = s;
			left = MIN(left, s);
			u = v;
			v = (StringName)r_align[v];
		}
		u = E;
		do {
			r_inner_shifts[u] = (real_t)r_inner_shifts[u] - left;
			u = (StringName)r_align[u];
		} while (u != E);
	}
}
float GraphEdit::_calculate_threshold(StringName p_v, StringName p_w, const Dictionary &r_node_names, const HashMap<int, Vector<StringName>> &r_layers, const Dictionary &r_root, const Dictionary &r_align, const Dictionary &r_inner_shift, real_t p_current_threshold, const HashMap<StringName, Vector2> &r_node_positions) {