Improve launcher injection and hook reliability

Find Fabric through the render thread's class loader and make bytecode transformations safer for launcher-provided class definitions. Improve hook reporting, process-picker refresh behavior, and self-destruct cleanup; document Dawn and Lunar 1.21.11 setup.

injector/crates/loader/src/jni.rs

@@ -56,9 +56,6 @@ impl Jni {
     pub unsafe fn exception_clear(&self) {
         f!(self, 17, unsafe extern "system" fn(EnvPtr))(self.env)
     }
-    pub unsafe fn new_global_ref(&self, o: JObject) -> JObject {
-        f!(self, 21, unsafe extern "system" fn(EnvPtr, JObject) -> JObject)(self.env, o)
-    }
     pub unsafe fn is_same_object(&self, a: JObject, b: JObject) -> bool {
         f!(self, 24, unsafe extern "system" fn(EnvPtr, JObject, JObject) -> JBool)(self.env, a, b) != 0
     }