Fixed water_splash sprite render problem

- Adjusted bridge explosion smoke color tint (was too dark)
- Few visual tweak to gas tanker and gas station explosion

- Visual tweak for a few cinematic explosion

- Reduce some lags caused by Gas Station explosion (may not apply on high effect setting)
- Added fire muzzle to C1M2's tanker fire burning fx
- Fixed C2M5 firework sparkling trail shooting under the floor

Improved a few environental effects
Few visual tweaks to gas station's explosion and burning fire

- Few tweaks to survivor flashlight fx
- Improved gas station explosion's performance

- Improved survivor flashlight flare
- Several tweaks to cinematic explosion
- Fixed a smoke effect being visible from afar in C5M5

- Added fire debris and spark spray to gas station explosion
- Removed some fire debris from Parish bridge explosion and added more glowy fx
- Improved TLS's particle performance, including crashing plane's fire, waterfall and red flare
- And various tweaks