Resolve constructors declared in traits and objects

It prevents exceptions and produces less red code

 #EA-68667 Fixed

compiler/testData/diagnostics/tests/TraitWithConstructor.kt

@@ -1,14 +1,16 @@
+// !DIAGNOSTICS: -MISSING_CONSTRUCTOR_KEYWORD
+
 class C(val a: String) {}
 
 interface T1<!CONSTRUCTOR_IN_TRAIT!>(val x: String)<!> {}
 
-interface T2<!CONSTRUCTOR_IN_TRAIT!>()<!> {}
+interface T2 <!CONSTRUCTOR_IN_TRAIT!>constructor()<!> {}
 
 interface T3 private <!CONSTRUCTOR_IN_TRAIT!>constructor(<!UNUSED_PARAMETER!>a<!>: Int)<!> {}
 
 interface T4 {
-    <!CONSTRUCTOR_IN_TRAIT!>constructor(a: <!DEBUG_INFO_MISSING_UNRESOLVED!>Int<!>)<!> {
-        val b: <!DEBUG_INFO_MISSING_UNRESOLVED!>Int<!> = 1
+    <!CONSTRUCTOR_IN_TRAIT!>constructor(<!UNUSED_PARAMETER!>a<!>: Int)<!> {
+        val <!UNUSED_VARIABLE!>b<!>: Int = 1
     }
 }