JS IR: fix origin for callable references with bound reciever

In case of IrFunctionReference with type SuspendFunction (no K!) there
was a misalignment between the base class (Any) and the
origin (LAMBDA..). As a result the SuspendFunctionLowering was
getting confused and produced hanging code.

compiler/testData/codegen/box/callableReference/equality/suspendConversion.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +SuspendConversion
 // IGNORE_BACKEND_FIR: JVM_IR
-// IGNORE_BACKEND: JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM_IR
 // ^ TODO fix suspend coercion for bound function references in JVM_IR
 // FILE: suspendCovnersion.kt