Psi2ir: do not sort descriptors for fake override generation

Descriptors are already supposed to be sorted in scopes. The problem is
that rendering descriptors for sorting takes a lot of time (~1.5% of
total compilation time of intellij with JVM IR), and simple heuristics,
like comparing by names first, don't fully help with it.

 #KT-48233

compiler/testData/ir/irText/classes/delegatedGenericImplementation.kt.txt

@@ -1,5 +1,5 @@
 interface IBase<A : Any?> {
-  abstract fun <B : Any?> foo(a: A, b: B) 
+  abstract fun <B : Any?> foo(a: A, b: B)
   abstract val <C : Any?> C.id: Map<A, C>?
     abstract get
 
@@ -17,10 +17,6 @@ class Test1<E : Any?> : IBase<E> {
   }
 
   private /* final field */ val $$delegate_0: IBase<E> = i
-  override fun <B : Any?> foo(a: E, b: B) {
-    <this>.#$$delegate_0.foo<B>(a = a, b = b)
-  }
-
   override val <C : Any?> C.id: Map<E, C>?
     override get(): Map<E, C>? {
       return (<this>.#$$delegate_0, <this>).<get-id><C>()
@@ -34,6 +30,10 @@ class Test1<E : Any?> : IBase<E> {
       (<this>.#$$delegate_0, <this>).<set-x><D>(<set-?> = <set-?>)
     }
 
+  override fun <B : Any?> foo(a: E, b: B) {
+    <this>.#$$delegate_0.foo<B>(a = a, b = b)
+  }
+
 }
 
 class Test2 : IBase<String> {
@@ -49,10 +49,6 @@ class Test2 : IBase<String> {
     set
 
   private /* final field */ val $$delegate_0: IBase<String> = j
-  override fun <B : Any?> foo(a: String, b: B) {
-    <this>.#$$delegate_0.foo<B>(a = a, b = b)
-  }
-
   override val <C : Any?> C.id: Map<String, C>?
     override get(): Map<String, C>? {
       return (<this>.#$$delegate_0, <this>).<get-id><C>()
@@ -66,5 +62,8 @@ class Test2 : IBase<String> {
       (<this>.#$$delegate_0, <this>).<set-x><D>(<set-?> = <set-?>)
     }
 
-}
+  override fun <B : Any?> foo(a: String, b: B) {
+    <this>.#$$delegate_0.foo<B>(a = a, b = b)
+  }
 
+}