Fixed find usages for Java's invoke()

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.0.java

@@ -0,0 +1,7 @@
+// PSI_ELEMENT: com.intellij.psi.PsiMethod
+// OPTIONS: usages
+
+public class JavaClass {
+    public void <caret>invoke() {
+    }
+}

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.0.kt

@@ -0,0 +1,3 @@
+fun f(c: JavaClass) {
+    c()
+}

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.log

@@ -0,0 +1,3 @@
+Resolved c()
+Searched references to JavaClass
+Searched references to parameter c of f(c: JavaClass) in Kotlin files

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.results.txt

@@ -0,0 +1 @@
+Implicit 'invoke' 2 c()