[K2] Properly check if binary logical expression is constant

compiler/testData/diagnostics/tests/modifiers/const/complexBooleanInStringConcat_after.kt

@@ -0,0 +1,8 @@
+// LANGUAGE: +ProhibitSimplificationOfNonTrivialConstBooleanExpressions
+
+val nonConstBool = true
+const val constBool = false
+
+const val s1 = <!CONST_VAL_WITH_NON_CONST_INITIALIZER!>""" ${ true && false } """<!>
+const val s2 = <!NON_CONST_VAL_USED_IN_CONSTANT_EXPRESSION!>""" ${ nonConstBool && false } """<!>
+const val s3 = """ ${ constBool && false } """