Support safe blit on non-2D textures (#4374)

* Support safe blit on non-2D textures (except multisample)

* Change safe blit with different levels and layers to match CmdBlitImage path

* Remove now unused variables

* Multisample safe blit support

Ryujinx.Graphics.Vulkan/Shaders/ColorBlitMsFragmentShaderSource.frag

@@ -0,0 +1,11 @@
+#version 450 core
+
+layout (binding = 0, set = 2) uniform sampler2DMS tex;
+
+layout (location = 0) in vec2 tex_coord;
+layout (location = 0) out vec4 colour;
+
+void main()
+{
+    colour = texelFetch(tex, ivec2(tex_coord * vec2(textureSize(tex).xy)), gl_SampleID);
+}