[java] fix assertion condition

https://web.ea.pages.jetbrains.team/#/issue/396705
if method call provides explicit type arguments then no inference happens and there is no need in protection

GitOrigin-RevId: 062e4f6591bbdce03ed7ee8d666bea191bf1ba15

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/expressions/MethodApplicability.java

@@ -0,0 +1,19 @@
+import java.util.function.Function;
+
+
+class MyTest {
+   <T> java.util.List<T> f(Function<T, String> ff) {
+     return null;
+   }
+
+    {
+        this.<String>f<caret>(s -> {
+            switch (s) {
+                case null :
+                    System.out.println();
+                    break;
+                default: return "";
+            }
+        });
+    }
+}