Can't load image or resource to ImageTexture

[ghost]

Godot version:

v3.0.6.stable.mono.official.8314054

OS/device including version:

Windows 10 (64-bit)

Issue description:

Creating a new image or loading an existing .res or .png file in the Image field inside an ImageTexture is not possible.

Steps to reproduce:

1. Open up reproduction project.
2. On the Scene tab (Node Hierarchy) click on the MeshInstance node.
3. In the Inspector, under MeshInstance > Material, click on the created SpatialMaterial.
4. In the Inspector, under SpatialMaterial > Albedo > Texture, create a new ImageTexture, and click on it.
5. In the Inspector, under ImageTexture > Image, try creating a new image or loading an existing resource (for example the included grass1-albedo3.res*).
6. In the Output you will notice an exception:
   drivers/gles3/rasterizer_storage_gles3.cpp:835 - Condition ' !texture->active ' is true. returned: Ref<Image>()

• grass1-aledo3.res is a StreamTexture created from grass1-albedo3.png

Minimal reproduction project:

ImageTextureBug.zip

Related:
#17650
Except I can't load an AtlasTexture either.

Comment:
What I was trying to achieve is to have a plane with a 2048x2048 texture that is repeated every 1 unit, in other words it won't stretch the image to the whole plane. I am not absolute new to Godot, but I am still learning a lot of things. If what trying to do here is not the right way to solve this problem, please explain me, how I could achieve what I want. Thanks.

[clayjohn]

To load an image in the editor, you do not first create an ImageTexture (which is an internal class). You instead select "Load" and then load your image from there.