[java-decompiler] IDEA-346312 adapt patches

- show constructors and getters for IDEA
- cast with null
- more tests

GitOrigin-RevId: 4a9aef46e4cac7fd15a27b1c75d88dedd8825659

plugins/java-decompiler/plugin/src/org/jetbrains/java/decompiler/IdeaDecompiler.kt

@@ -245,6 +245,8 @@ private fun getOptions(): Map<String, Any> {
     IFernflowerPreferences.VERIFY_ANONYMOUS_CLASSES to "1",
     IFernflowerPreferences.CONVERT_PATTERN_SWITCH to "1",
     IFernflowerPreferences.CONVERT_RECORD_PATTERN to "1",
+    IFernflowerPreferences.HIDE_RECORD_CONSTRUCTOR_AND_GETTERS to "0", //must be 0. Otherwise there are problems with mirroring
+    IFernflowerPreferences.CHECK_CLOSABLE_INTERFACE to "0", //must be 0. Otherwise it doesn't work in idea
     //IFernflowerPreferences.UNIT_TEST_MODE to if (ApplicationManager.getApplication().isUnitTestMode) "1" else "0"
   )
 }