Bug 85403 [quick assist] convert 'switch' into if-else-if fails if case has block
I20050215-2300 test case: switch (a) { case 1 : { System.out.println("1"); break; } }
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AdvancedQuickAssistProcessor.java
Block sourceBlock = (Block) ifStatement.getParent();
		int insertIndex = sourceBlock.statements().indexOf(ifStatement);
		ListRewrite listRewriter = rewrite.getListRewrite(sourceBlock,
			(ChildListPropertyDescriptor) statement.getLocationInParent());
		listRewriter.replace(ifStatement, firstIf, null);
		listRewriter.insertAt(secondIf, insertIndex + 1, null);
		
		String label = CorrectionMessages.AdvancedQuickAssistProcessor_splitOrCondition_description;
		Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
		ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(),
				rewrite, 1, image);
		resultingCollections.add(proposal);
		return true;
	}
	private static boolean getInverseConditionalExpressionProposals(IInvocationContext context, ASTNode covering,
			Collection resultingCollections) {
		
		while (covering instanceof Expression) {
			if (covering instanceof ConditionalExpression)
				break;
			covering = covering.getParent();
		}
		if (!(covering instanceof ConditionalExpression)) {
			return false;
		}
		ConditionalExpression expression = (ConditionalExpression) covering;
		
		if (resultingCollections == null) {
			return true;