### 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
} break;
				case Variant::DICTIONARY: {
					prop = memnew(EditorPropertyDictionary);
				} break;
				case Variant::ARRAY: {
					EditorPropertyArray *editor = memnew(EditorPropertyArray);
					editor->setup(Variant::ARRAY);
					prop = editor;
				} break;
				
				case Variant::PACKED_BYTE_ARRAY: {
					EditorPropertyArray *editor = memnew(EditorPropertyArray);
					editor->setup(Variant::PACKED_BYTE_ARRAY);
					prop = editor;
				} break;
				case Variant::PACKED_INT32_ARRAY: {
					EditorPropertyArray *editor = memnew(EditorPropertyArray);
					editor->setup(Variant::PACKED_INT32_ARRAY);
					prop = editor;
				} break;
				case Variant::PACKED_FLOAT32_ARRAY: {
					EditorPropertyArray *editor = memnew(EditorPropertyArray);
					editor->setup(Variant::PACKED_FLOAT32_ARRAY);
					prop = editor;
				} break;
				case Variant::PACKED_INT64_ARRAY: {
					EditorPropertyArray *editor = memnew(EditorPropertyArray);
					editor->setup(Variant::PACKED_INT64_ARRAY);
					prop = editor;
				} break;