IDEA-209607 When completing equals/hashCode/toString, show elements that show corresponding generate dialogs

GitOrigin-RevId: 2b2609cec214567b8f1fc46f06f0b946b4ed9cab

java/java-tests/testData/codeInsight/completion/normal/InvokeGenerateEqualsHashCodeOnOverrideCompletion.java

@@ -0,0 +1,4 @@
+class A {
+  int a;
+  equal<caret>
+}

java/java-tests/testData/codeInsight/completion/normal/InvokeGenerateEqualsHashCodeOnOverrideCompletion_after.java

@@ -0,0 +1,18 @@
+import java.util.Objects;
+
+class A {
+  int a;
+
+    @Override
+    public boolean equals(Object o) {<caret>
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        A a1 = (A) o;
+        return a == a1.a;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(a);
+    }
+}

java/java-tests/testData/codeInsight/completion/normal/InvokeGenerateToStringOnOverrideCompletion.java

@@ -0,0 +1,4 @@
+class A {
+  int a;
+  toStri<caret>
+}

java/java-tests/testData/codeInsight/completion/normal/InvokeGenerateToStringOnOverrideCompletion_after.java

@@ -0,0 +1,10 @@
+class A {
+  int a;
+
+    @Override
+    public String <caret>toString() {
+        return "A{" +
+                "a=" + a +
+                '}';
+    }
+}