add convert switch to if for invalid switch types (IDEA-81580)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convertSwitchToIf/before3.java

@@ -0,0 +1,8 @@
+// "Replace 'switch' with 'if'" "false"
+class Test {
+  void foo(float f) {
+    switch (f<caret>) {
+      case 
+    }
+  }
+}