Don't throw exception on error types in light classes mode

#KT-26829 Fixed
 #KT-26827 Fixed

idea/testData/inspectionsLocal/unusedSymbol/dataInlineClassDeclaration.kt

@@ -0,0 +1,6 @@
+// PROBLEM: none
+// ERROR: Modifier 'data' is incompatible with 'inline'
+// ERROR: Modifier 'inline' is incompatible with 'data'
+// ERROR: Unresolved reference: Unresolved
+
+data inline class Foo(val x: <caret>Unresolved)

idea/testData/inspectionsLocal/unusedSymbol/propertyOfInlineClassType.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+// PROBLEM: none
+
+inline class Inline(val x1: UInt)
+class WrapInline(<caret>val x2: Inline)