Make struct component consuming context example more informed

[voidpumpkin]

As discovered in this issue #2280
It is not clear that you should store the context handle inside your struct, because this page does not show that. It just reads the context value once.

This is about:

• A typo
• Innaccurate/misleading documentation (e.g. technically incorrect advice)
• Undocumented code
• Outdated documentation
• Other

Problem

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Questionaire (Optional)

• I'd like to write this documentation
• I'd like to write this documentation but I'm not sure what's needed
• I don't have time to add this right now, but maybe later

[hamza1311]

Fixed in #2533