### Godot version

v4.0.stable.official [92bee43ad]

### System information

Linux - v4.0.stable.official [92bee43ad]

### Issue description

It gives you the possibility of removing unexisting key/value pairs from a dictionary.

### Steps to reproduce

![image](https://github.com/godotengine/godot/assets/69520693/35beadbe-bfdd-4176-9b26-222bbf69cafa)
![image](https://github.com/godotengine/godot/assets/69520693/7ed647e0-a2af-4e58-9f00-f77b7bc7bb02)
![image](https://github.com/godotengine/godot/assets/69520693/f08bf824-8408-45eb-bb84-f1dc7e19e392)


### Minimal reproduction project

N/A
editor->setup(-100000, 100000, default_float_step, true, false, true, true);
					prop = editor;
				} break;
				case Variant::STRING: {
					if (i != amount && property_hint == PROPERTY_HINT_MULTILINE_TEXT) {
						
						
						prop = memnew(EditorPropertyMultilineText);
					} else {
						prop = memnew(EditorPropertyText);
					}
				} break;
				
				case Variant::VECTOR2: {
					EditorPropertyVector2 *editor = memnew(EditorPropertyVector2);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::VECTOR2I: {
					EditorPropertyVector2i *editor = memnew(EditorPropertyVector2i);
					editor->setup(-100000, 100000);
					prop = editor;
				} break;
				case Variant::RECT2: {
					EditorPropertyRect2 *editor = memnew(EditorPropertyRect2);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::RECT2I: {
					EditorPropertyRect2i *editor = memnew(EditorPropertyRect2i);