chore(client): add missing .uid and .import files from Godot 4.6

Generated by headless --import after audio merge. These are needed
for stable UID references across editor sessions.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/tests/gen_client_fixtures.gd.uid

@@ -0,0 +1 @@
+uid://njychcgqlvtv

client/tests/test_anti_tedium.gd.uid

@@ -0,0 +1 @@
+uid://d3fj584itowcl

client/tests/test_camera_anchor.gd.uid

@@ -0,0 +1 @@
+uid://vw0iqhai1kum

client/tests/test_client_p1.gd.uid

@@ -0,0 +1 @@
+uid://cw0yyp8mrchi7

client/tests/test_client_p2.gd.uid

@@ -0,0 +1 @@
+uid://ci76ggq7n33w7

client/tests/test_client_p3.gd.uid

@@ -0,0 +1 @@
+uid://bas5l8rnvsjly

client/tests/test_cursor_states.gd.uid

@@ -0,0 +1 @@
+uid://mg1wnv1ydc6m

client/tests/test_fog_shader.gd.uid

@@ -0,0 +1 @@
+uid://foiy3bk1jko7

client/tests/test_interaction_list.gd.uid

@@ -0,0 +1 @@
+uid://w7k3k1584ir7

client/tests/test_msgpack_boundaries.gd.uid

@@ -0,0 +1 @@
+uid://bka1i18dfqay1

client/tests/test_p0_regressions.gd.uid

@@ -0,0 +1 @@
+uid://br7kv0dyk3w2k

client/tests/test_protocol_bridge.gd.uid

@@ -0,0 +1 @@
+uid://cefjgd1iqi7qn

client/tests/test_protocol_v7.gd.uid

@@ -0,0 +1 @@
+uid://bjd6g15syl2qy