Increases power of special xeno structures

[Diegoflores31]

About the pull request

IFF bullets will now be reflected on Reflective walls ( with decreased probability of 25% instead of 75% )
increased the damage reduction on reflective walls to 90%.
increased damage to resin spikes from 8 to 10.
Resin spikes will no longer target legs

Explain why it's good for the game

Current Reflective walls are basically useless . they can just tank about 7-10 bullets more than a normal drone wall and they have a 5 max cap , only buildable by the queen and hivelords. and they get 2 tabbed at melee because of their low health.

This PR provides them with more strenght to acomplish their specialized role of being a bullet sponge. marine will have to find more creative ways to deal with this structure rather than shoot it down.

Resin spikes will now apply 10 damage instead of 8 and only target the feet , first it doesnt make sense that the damage goes directly to the leg when you are stepping on a spike and secondly this will increase the room for fractures if marines decide to ignore the resin spikes while chasing.

This will give room to more advanced Xeno defence by giving options for hivelords and queen to implement more this structures that are normally completely useless.

Testing Photographs and Procedure

Screenshots & Videos

Put screenshots and videos here with an empty line between the screenshots and the <details> tags.

Changelog

🆑
balance: Reflective wall projectile resistance increased to 90%
balance: Reflective wall will now reflect IFF bullets with a decreased amount.
balance: Resin spikes damage increased to 10
balance: Resin spike will now only target the feet
/:cl:

[github-actions]

This PR has been inactive for long enough to be automatically marked as stale. This means it is at risk of being auto closed in ~ 7 days, please address any outstanding review items and ensure your PR is finished, if these are all true and you are auto-staled anyway, you need to actively ask maintainers if your PR will be merged. Once you have done any of the previous actions then you should request a maintainer remove the stale label on your PR, to reset the stale timer. If you feel no maintainer will respond in that time, you may wish to close this PR youself, while you seek maintainer comment, as you will then be able to reopen the PR yourself