[FIR, LT] Report syntax error by traversing LT after parsing

#KT-57756 Fixed

compiler/testData/diagnostics/tests/annotations/kt1860-negative.fir.kt

@@ -4,7 +4,7 @@ fun foo(@<!UNRESOLVED_REFERENCE!>varargs<!> f : Int) {}
 var bar : Int = 1
   set(@<!UNRESOLVED_REFERENCE!>varargs<!> v) {}
 
-val x : (Int) -> Int = <!INITIALIZER_TYPE_MISMATCH{LT}!>{@<!UNRESOLVED_REFERENCE!>varargs<!> x <!SYNTAX!>: Int -> x<!>}<!>
+val x : (Int) -> Int = {@<!UNRESOLVED_REFERENCE!>varargs<!> x <!SYNTAX!>: Int -> x<!>}
 
 class Hello(@<!UNRESOLVED_REFERENCE!>varargs<!> args: Any) {
 }

compiler/testData/diagnostics/tests/annotations/kt1860-positive.fir.kt

@@ -8,7 +8,7 @@ fun foo(@test f : Int) {}
 var bar : Int = 1
     set(@test v) {}
 
-val x : (Int) -> Int = <!INITIALIZER_TYPE_MISMATCH{LT}!>{@test x <!SYNTAX!>: Int -> x<!>}<!> // todo fix parser annotation on lambda parameter
+val x : (Int) -> Int = {@test x <!SYNTAX!>: Int -> x<!>} // todo fix parser annotation on lambda parameter
 
 class Hello(@test args: Any) {
 }

compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/checkBackingFieldException.fir.kt

@@ -1,19 +0,0 @@
-// COMPARE_WITH_LIGHT_TREE
-package h
-
-class Square() {
-  var size : Double =
-  <!UNRESOLVED_REFERENCE!>set<!>(<!UNRESOLVED_REFERENCE!>value<!>) {
-    //in LT this LAMBDA_EXPRESSION get parsed lazyly, but doesn't got anywhere in FIR tree (as property doesn't have place for it)
-    <!SYNTAX{PSI}!>$area<!> <!SYNTAX{PSI}!>= size * size<!>
-  }
-
-  <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>var area : Double<!>
-  private set
-}
-
-fun main() {
-  val s = Square()
-
-  s.size = 2.0
-}

compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/checkBackingFieldException.kt

@@ -1,10 +1,10 @@
+// FIR_IDENTICAL
 // COMPARE_WITH_LIGHT_TREE
 package h
 
 class Square() {
   var size : Double =
   <!UNRESOLVED_REFERENCE!>set<!>(<!UNRESOLVED_REFERENCE!>value<!>) {
-    //in LT this LAMBDA_EXPRESSION get parsed lazyly, but doesn't got anywhere in FIR tree (as property doesn't have place for it)
     <!SYNTAX!>$area<!> <!SYNTAX!>= size * size<!>
   }
 

compiler/testData/diagnostics/tests/incompleteCode/incompleteAssignment.fir.kt

@@ -8,7 +8,7 @@ fun sum(a : IntArray) : Int {
     <!UNRESOLVED_REFERENCE!>res<!> = 0
     for (e in a)
         <!UNRESOLVED_REFERENCE!>res<!> +=<!SYNTAX!><!>
-<!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY{LT}!>}<!>
+}
 fun main() {
     test(0)
     test(1, 1)

compiler/testData/diagnostics/tests/regressions/kt328.fir.kt

@@ -25,5 +25,5 @@ val z = <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!>z<!>
 fun block(f : () -> Unit) = f()
 
 fun bar3() = block{ <!UNRESOLVED_REFERENCE!>foo3<!>() // <-- missing closing curly bracket
-fun foo3() = block{ <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!>bar3()<!> }<!SYNTAX{PSI}!><!>
+fun foo3() = block{ <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!>bar3()<!> }<!SYNTAX!><!>