Add non-null assertion: correct handling of unary expression unsafe calls #KT-13430 Fixed

idea/testData/quickfix/expressions/fixNullableUnaryWithExclExcl.kt

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    operator fun unaryMinus() {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = <caret>-p
+}

idea/testData/quickfix/expressions/fixNullableUnaryWithExclExcl.kt.after

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    operator fun unaryMinus() {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = -p!!
+}