Use 128×128 WebP icons for all demos (#885)

misc/matrix_transform/icon.webp.import

@@ -2,23 +2,23 @@
 
 importer="texture"
 type="CompressedTexture2D"
-uid="uid://bdpvb7t2av1mk"
-path="res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.ctex"
+uid="uid://brwp8bimc75uu"
+path="res://.godot/imported/icon.webp-e94f9a68b0f625a567a797079e4d325f.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://icon.png"
-dest_files=["res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.ctex"]
+source_file="res://icon.webp"
+dest_files=["res://.godot/imported/icon.webp-e94f9a68b0f625a567a797079e4d325f.ctex"]
 
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false

misc/matrix_transform/project.godot

@@ -28,7 +28,7 @@ Do not 'run' this project. You are only meant to use it within the Godot editor.
 For more information, see the Matrices and Transforms article."
 run/main_scene="res://3D.tscn"
 config/features=PackedStringArray("4.0")
-config/icon="res://icon.png"
+config/icon="res://icon.webp"
 
 [rendering]