Search constructor-declared properties together with class declarations

idea/testData/findUsages/kotlin/findClassUsages/kotlinClassPropertyUsages2.0.kt

@@ -18,7 +18,7 @@ trait X {
     }
 }
 
-open class <caret>A: X {
+open class <caret>A(val t: String, var u: String): X {
     override val a: String
         get() {
             return "?"

idea/testData/findUsages/kotlin/findClassUsages/kotlinClassPropertyUsages2.1.kt

@@ -2,7 +2,9 @@ class Usages {
     fun foo(a: A) {
         a.foo("")
         println("${a.a} ${a.b}")
+        println("${a.t} ${a.u}")
         a.b = 12
+        a.u = 13
     }
 
     fun foo(x: X) {

idea/testData/findUsages/kotlin/findClassUsages/kotlinClassPropertyUsages2.results.txt

@@ -1,3 +1,6 @@
 Value read (4: 22) println("${a.a} ${a.b}")
 Value read (4: 29) println("${a.a} ${a.b}")
-Value write (5: 11) a.b = 12
+Value read (5: 22) println("${a.t} ${a.u}")
+Value read (5: 29) println("${a.t} ${a.u}")
+Value write (6: 11) a.b = 12
+Value write (7: 11) a.u = 13