Fix HomePage onNav ignoring its screen argument

[sshdopey]

Context

HomePage passes onNav={() => router.push('/explore')}, ignoring the screen argument, so the prop's signature is misleading.

Scope

• Either route by the argument or simplify the prop to match its single behaviour.

Acceptance criteria

• The navigation prop's type matches its behaviour.

Pointers

src/app/page.tsx, src/screens/Landing.tsx.

[temisan0x]

@temisan0x has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Good day team, please i’d like to take on this issue

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