correctly treat accepting "new int[]" with [ (IDEA-70002)

java/java-impl/src/com/intellij/codeInsight/lookup/PsiTypeLookupItem.java

@@ -58,6 +58,9 @@ public class PsiTypeLookupItem extends LookupItem {
     if (!braces.isEmpty()) {
       context.getDocument().insertString(tail, braces);
       editor.getCaretModel().moveToOffset(tail + 1);
+      if (context.getCompletionChar() == '[') {
+        context.setAddCompletionChar(false);
+      }
     } else {
       editor.getCaretModel().moveToOffset(tail);
     }

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

@@ -0,0 +1,5 @@
+public class Bar {
+    {
+        int[] a = new in<caret>
+    }
+}

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

@@ -0,0 +1,5 @@
+public class Bar {
+    {
+        int[] a = new int[<caret>]
+    }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy

@@ -919,6 +919,8 @@ public class NormalCompletionTest extends LightFixtureCompletionTestCase {
     doTest '\n'
   }
 
+  public void testPrimitiveArrayWithRBrace() throws Throwable { doTest '[' }
+
   public void testSuggestMembersOfStaticallyImportedClasses() throws Exception {
     myFixture.addClass("""package foo;
     public class Foo {