[Enhancement] Intellisense suggests private keywords from other files

[Lakitna]

Describe the bug

When using Intellisense to auto complete a keyword: The list of available keywords includes keywords tagged with robot:private. Keywords tagged like this should not be used outside the file where they are defined. Robot Framework userguide on the topic.

Steps To Reproduce Steps to reproduce the behavior:

1. Make a .resource file
2. Add 2 keywords to the file
3. Tag 1 of the keywords with robot:private
4. Make a .robot file
5. Add a test
6. Add the private keyword using Intellisense (autocomplete)

If possible add some example source code like:

# foo.resource
*** Keywords ***
Some Public Keyword
    No Operation

Some Private Keyword
    [Tags]    robot:private
    No Operation

# bar.robot
*** Settings ***
Resource    ./foo.resource

*** Test Cases ***
My Amazing Test Case
    Some P

1. Place cursor after P
2. Hit ctrl + space
3. Note that both keywords from foo.resource show up.

Expected behavior

Private keywords should not be suggested outside the file where they're created.

Screenshots/ Videos

Logs

N/A

Additional context

N/A

Desktop (please complete the following information):

• VS Code Version 1.103.1
• RobotCode Version 1.8.0
• OS: Windows
• Python Version 3.13.2
• RobotFramework Version 7.3.2
• Additional tools like robocop, robotidy: N/A