### Godot version

Godot 4.0 Beta 11

### System information

Linux Ubunutu

### Issue description

Godot's 3.x project converter to 4.0 seems to be missing the conversion for two drag data related functions.

In 3.x the function for can drop data, was named  `can_drop_data` in 4.0 it is `_can_drop_data`.
And likewise 3.x had `drop_data` and 4.0 has `_drop_data`.

These two functions were not converted by the project converter (and were hard to notice)!


### Steps to reproduce

Convert a 3.x project to 4.0 with the functions: `can_drop_data` it will not convert to `_can_drop_data` nor `drop_data` to `_drop_data`.



### Minimal reproduction project

N/A
{ "KEY_CONTROL", "KEY_CTRL" , 
	{ "LOOP_PING_PONG", "LOOP_PINGPONG" , 
	{ "MODE_KINEMATIC", "FREEZE_MODE_KINEMATIC" , 
	{ "MODE_OPEN_ANY", "FILE_MODE_OPEN_ANY" , 
	{ "MODE_OPEN_DIR", "FILE_MODE_OPEN_DIR" , 
	{ "MODE_OPEN_FILE", "FILE_MODE_OPEN_FILE" , 
	{ "MODE_OPEN_FILES", "FILE_MODE_OPEN_FILES" , 
	{ "MODE_SAVE_FILE", "FILE_MODE_SAVE_FILE" , 
	{ "MODE_STATIC", "FREEZE_MODE_STATIC" , 
	{ "NOTIFICATION_APP_PAUSED", "NOTIFICATION_APPLICATION_PAUSED" , 
	{ "NOTIFICATION_APP_RESUMED", "NOTIFICATION_APPLICATION_RESUMED" , 
	{ "NOTIFICATION_INSTANCED", "NOTIFICATION_SCENE_INSTANTIATED" , 
	{ "NOTIFICATION_PATH_CHANGED", "NOTIFICATION_PATH_RENAMED" , 
	{ "NOTIFICATION_WM_FOCUS_IN", "NOTIFICATION_APPLICATION_FOCUS_IN" , 
	{ "NOTIFICATION_WM_FOCUS_OUT", "NOTIFICATION_APPLICATION_FOCUS_OUT" , 
	{ "NOTIFICATION_WM_UNFOCUS_REQUEST", "NOTIFICATION_WM_WINDOW_FOCUS_OUT" , 
	{ "PAUSE_MODE_INHERIT", "PROCESS_MODE_INHERIT" , 
	{ "PAUSE_MODE_PROCESS", "PROCESS_MODE_ALWAYS" , 
	{ "PAUSE_MODE_STOP", "PROCESS_MODE_PAUSABLE" , 
	{ "RENDER_DRAW_CALLS_IN_FRAME", "RENDER_TOTAL_DRAW_CALLS_IN_FRAME" , 
	{ "RENDER_OBJECTS_IN_FRAME", "RENDER_TOTAL_OBJECTS_IN_FRAME" , 
	{ "SIDE_BOTTOM", "MARGIN_BOTTOM" , 
	{ "SIDE_LEFT", "MARGIN_LEFT" , 
	{ "SIDE_RIGHT", "MARGIN_RIGHT" , 
	{ "SIDE_TOP", "MARGIN_TOP" , 
	{ "TEXTURE_TYPE_2D_ARRAY", "TEXTURE_LAYERED_2D_ARRAY" , 
	{ "TEXTURE_TYPE_CUBEMAP", "TEXTURE_LAYERED_CUBEMAP_ARRAY" , 
	{ "TRACKER_LEFT_HAND", "TRACKER_HAND_LEFT" , 
	{ "TRACKER_RIGHT_HAND", "TRACKER_HAND_RIGHT" , 
	{ "TYPE_NORMALMAP", "TYPE_NORMAL_MAP" ,