[FIR] Report VAL_REASSIGNMENT on assign to non-local vals

In this commit reporting on member properties in init section of class
  is not supported (see KT-55528)

^KT-55493 Fixed

compiler/fir/analysis-tests/testData/resolve/problems/secondaryConstructorCfg.kt

@@ -7,7 +7,7 @@ class B(p0: String) {
         p3 = p1
     }
     init {
-        p1 = <!ASSIGNMENT_TYPE_MISMATCH!>p0.length<!>
+        <!VAL_REASSIGNMENT!>p1<!> = <!ASSIGNMENT_TYPE_MISMATCH!>p0.length<!>
         p3 = ""
     }
 }