[FIR][LightTree] More fixes in diagnostic positioning

Keep tree padding for modifiers
More REFERENCE_EXPRESSIONS kinds
Fix source for some call expressions

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

@@ -4,7 +4,8 @@ package h
 class Square() {
   var size : Double =
   <!UNRESOLVED_REFERENCE!>set<!>(<!UNRESOLVED_REFERENCE!>value<!>) {
-    <!SYNTAX!>$area<!> <!SYNTAX!>= size * size<!>
+    //in LT this LAMBDA_EXPRESSION get parsed lazyly, but doesn't got anywhere in FIR tree (as property doesn't have place for it)
+    <!SYNTAX{PSI}!>$area<!> <!SYNTAX{PSI}!>= size * size<!>
   }
 
   <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>var area : Double<!>
@@ -15,4 +16,4 @@ fun main() {
   val s = Square()
 
   s.size = 2.0
-}
+}