IDEA-120465 Code completion: no Autopopup code completion and inserting pair brackets if Column selection mode is on

added tests

java/java-tests/testData/codeInsight/typing/columnMode_after.java

@@ -0,0 +1,5 @@
+class Foo {
+  void m() {
+    System.exit(<caret>)
+  }
+}