KT-13430 related: add non-null assertion works also for UNSAFE_INFIX_CALL

idea/testData/quickfix/expressions/fixNullableBinaryWithExclExcl.kt

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    operator fun plus(arg: Int) {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = p <caret>+ 42
+}

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

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    operator fun plus(arg: Int) {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = p!! + 42
+}

idea/testData/quickfix/expressions/fixNullableInfixWithExclExcl.kt

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    infix fun op(arg: Int) {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = p <caret>op 42
+}

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

@@ -0,0 +1,9 @@
+// "Add non-null asserted (!!) call" "true"
+
+class SafeType {
+    infix fun op(arg: Int) {}
+}
+
+fun safeB(p: SafeType?) {
+    val v = p!! op 42
+}