Fixed bevy_image and bevy_gltf failing to compile with some features. (#17887)

Fixes #17290.
<details>
  <summary>Compilation errors before fix</summary>

`cargo clippy --tests --all-features --package bevy_image`:
```rust
error[E0061]: this function takes 7 arguments but 6 arguments were supplied
   --> crates/bevy_core_pipeline/src/tonemapping/mod.rs:451:5
    |
451 |     Image::from_buffer(
    |     ^^^^^^^^^^^^^^^^^^
...
454 |         bytes,
    |         ----- argument #1 of type `std::string::String` is missing
    |
note: associated function defined here
   --> /Users/josiahnelson/Desktop/Programming/Rust/bevy/crates/bevy_image/src/image.rs:930:12
    |
930 |     pub fn from_buffer(
    |            ^^^^^^^^^^^
help: provide the argument
    |
451 |     Image::from_buffer(/* std::string::String */, bytes, image_type, CompressedImageFormats::NONE, false, image_sampler, RenderAssetUsages::RENDER_WORLD)
    |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
`cargo clippy --tests --all-features --package bevy_gltf`:
```rust
error[E0560]: struct `bevy_pbr::StandardMaterial` has no field named `specular_channel`
    --> crates/bevy_gltf/src/loader.rs:1343:13
     |
1343 |             specular_channel: specular.specular_channel,
     |             ^^^^^^^^^^^^^^^^ `bevy_pbr::StandardMaterial` does not have this field
     |
     = note: available fields are: `emissive_exposure_weight`, `diffuse_transmission`, `diffuse_transmission_channel`, `diffuse_transmission_texture`, `flip_normal_map_y` ... and 9 others

error[E0560]: struct `bevy_pbr::StandardMaterial` has no field named `specular_texture`
    --> crates/bevy_gltf/src/loader.rs:1345:13
     |
1345 |             specular_texture: specular.specular_texture,
     |             ^^^^^^^^^^^^^^^^ `bevy_pbr::StandardMaterial` does not have this field
     |
     = note: available fields are: `emissive_exposure_weight`, `diffuse_transmission`, `diffuse_transmission_channel`, `diffuse_transmission_texture`, `flip_normal_map_y` ... and 9 others

error[E0560]: struct `bevy_pbr::StandardMaterial` has no field named `specular_tint_channel`
    --> crates/bevy_gltf/src/loader.rs:1351:13
     |
1351 |             specular_tint_channel: specular.specular_color_channel,
     |             ^^^^^^^^^^^^^^^^^^^^^ `bevy_pbr::StandardMaterial` does not have this field
     |
     = note: available fields are: `emissive_exposure_weight`, `diffuse_transmission`, `diffuse_transmission_channel`, `diffuse_transmission_texture`, `flip_normal_map_y` ... and 9 others

error[E0560]: struct `bevy_pbr::StandardMaterial` has no field named `specular_tint_texture`
    --> crates/bevy_gltf/src/loader.rs:1353:13
     |
1353 |             specular_tint_texture: specular.specular_color_texture,
     |             ^^^^^^^^^^^^^^^^^^^^^ `bevy_pbr::StandardMaterial` does not have this field
     |
     = note: available fields are: `emissive_exposure_weight`, `diffuse_transmission`, `diffuse_transmission_channel`, `diffuse_transmission_texture`, `flip_normal_map_y` ... and 9 others
```
</details>

Author: AlephCubed

crates/bevy_gltf/Cargo.toml

@@ -15,7 +15,7 @@ pbr_multi_layer_material_textures = [
   "bevy_pbr/pbr_multi_layer_material_textures",
 ]
 pbr_anisotropy_texture = ["bevy_pbr/pbr_anisotropy_texture"]
-pbr_specular_textures = []
+pbr_specular_textures = ["bevy_pbr/pbr_specular_textures"]
 
 [dependencies]
 # bevy

crates/bevy_image/Cargo.toml

@@ -16,7 +16,7 @@ bevy_reflect = ["dep:bevy_reflect", "bevy_math/bevy_reflect"]
 # Image formats
 basis-universal = ["dep:basis-universal"]
 bmp = ["image/bmp"]
-dds = ["ddsfile"]
+dds = ["ddsfile", "bevy_core_pipeline/dds"]
 exr = ["image/exr"]
 ff = ["image/ff"]
 gif = ["image/gif"]
@@ -82,6 +82,7 @@ half = { version = "2.4.1" }
 [dev-dependencies]
 bevy_ecs = { path = "../bevy_ecs", version = "0.16.0-dev" }
 bevy_sprite = { path = "../bevy_sprite", version = "0.16.0-dev" }
+bevy_core_pipeline = { path = "../bevy_core_pipeline", version = "0.16.0-dev" }
 
 [lints]
 workspace = true