### Godot version

6ca1bf9589404b7643d8bf6cfb114dacf537f67b

### System information

PopOS 22.04 

### Issue description

The lines drawn to show what the UV1 or UV2 maps look like are way too thick and end up taking up the entire viewport. 

_Beta 13_
![Screenshot from 2023-01-18 13-18-38](https://user-images.githubusercontent.com/16521339/213297096-2e164dc7-355a-4266-821b-99ff21853a77.png)

_Master with a8cbb6245b53955883d8cbeee43524f7bf9fa4af reverted (looks the same in beta 12 and below_
![Screenshot from 2023-01-18 13-16-51](https://user-images.githubusercontent.com/16521339/213297100-415ffde1-972b-428f-b847-5aa64a32c7d2.png)

Regression introduced by https://github.com/godotengine/godot/pull/69851
cc @dalexeev 

Fix is probably going to be removing the editor scaling here: https://github.com/godotengine/godot/blob/6ca1bf9589404b7643d8bf6cfb114dacf537f67b/editor/plugins/mesh_instance_3d_editor_plugin.cpp#L463

### Steps to reproduce

Click on an object with at least a UV map then select "mesh > View UV1"

### Minimal reproduction project

Not project specific
#include "mesh_instance_3d_editor_plugin.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_undo_redo_manager.h"
#include "node_3d_editor_plugin.h"
#include "scene/3d/collision_shape_3d.h"
#include "scene/3d/navigation_region_3d.h"
#include "scene/3d/physics_body_3d.h"
#include "scene/gui/box_container.h"
#include "scene/gui/menu_button.h"
#include "scene/resources/concave_polygon_shape_3d.h"
#include "scene/resources/convex_polygon_shape_3d.h"
#include "scene/scene_string_names.h"
void MeshInstance3DEditor::_node_removed(Node *p_node) {