Sync all demos with current master format

misc/window_management/observer/observer.tscn

@@ -1,53 +1,47 @@
-[gd_scene load_steps=3 format=2]
+[gd_scene load_steps=2 format=2]
 
 [ext_resource path="res://observer/observer.gd" type="Script" id=1]
 
 [node name="Observer" type="KinematicBody"]
 
-_import_transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
 input_ray_pickable = true
 input_capture_on_drag = false
-shape_count = 0
 collision_layer = 1
 collision_mask = 1
-collide_with/static = true
-collide_with/kinematic = true
-collide_with/rigid = true
-collide_with/character = true
-collision/margin = 0.001
+collision/safe_margin = 0.001
 script = ExtResource( 1 )
 
 [node name="Camera" type="Camera" parent="."]
 
-_import_transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
 projection = 0
 fov = 60.0
 near = 0.1
 far = 1000.0
 keep_aspect = 1
 current = false
-visible_layers = 1048575
+cull_mask = 1048575
 environment = null
 h_offset = 0.0
 v_offset = 0.0
+doppler/tracking = 0
 
 [node name="OmniLight" type="OmniLight" parent="."]
 
-_import_transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
 layers = 1
-params/enabled = true
-params/editor_only = false
-params/bake_mode = 0
-params/energy = 1.0
-colors/diffuse = Color( 1, 1, 1, 1 )
-colors/specular = Color( 1, 1, 1, 1 )
-shadow/shadow = false
-shadow/darkening = 0.0
-shadow/z_offset = 0.001
-shadow/z_slope_scale = 0.0
-shadow/esm_multiplier = 60.0
-shadow/blur_passes = 1.0
-projector = null
-operator = 0
-params/radius = 100.0
-params/attenuation = 1.0
+light_color = Color( 1, 1, 1, 1 )
+light_energy = 1.0
+light_negative = false
+light_specular = 0.5
+light_cull_mask = -1
+shadow_enabled = false
+shadow_color = Color( 0, 0, 0, 1 )
+shadow_bias = 0.15
+shadow_contact = 0.0
+shadow_reverse_cull_face = false
+editor_only = false
+omni_range = 5.0
+omni_attenuation = 1.0
+omni_shadow_mode = 1
+omni_shadow_detail = 1
+
+