tweak(gta-five-net): network synchronised scene id hacks

[tens0rfl0w]

Goal of this PR

The original game code assigns global IDs for synchronized network scenes by using the physical player index as a unique identifier. The ID space is padded to a maximum of 64 concurrent synchronized scenes (physicalIndex * 64). However, in our network implementation, the local player's physical index is always set to 128, leading to scene ID collisions when multiple machines trigger networked scenes simultaneously and also integer range overflows (13-bit = 8191 / 64 = 127 < 128).

How is this PR achieving the goal

1. Expansion of Scene ID Serialization:

   • The local scene ID variable was already of type int32_t, but the serialization process previously limited scene IDs to 13 bits.
   • This patch expands the serialization logic to utilize the full 32-bit space for scene IDs.

2. Replacement of Physical Player Index with Server ID:

   • Instead of using the physical player index (128 for all local players), we now use the player's server-id as an uniquifier.

This PR applies to the following area(s)

FiveM, Server

Successfully tested on

Game builds: 1, 1604, 2060, 2189, 2372, 2545, 2612, 2699, 2802, 2944, 3095, 3258, 3407

Platforms: Windows

Checklist

• Code compiles and has been tested successfully.
• Code explains itself well and/or is documented.
• My commit message explains what the changes do and what they are for.
• No extra compilation warnings are added by these changes.

Fixes issues

fixes #2910