Conditional query optimization? Does this break anything?

[followingthefasciaplane]

This is built on top of my other PR: https://github.com/hermansimensen/bash2/pull/32

Do we need to be querying m_customaccel, m_customaccel_exponent, m_customaccel_scale, m_customaccel_max, m_filter if m_rawinput is not 0? The values of these cvars do nothing if m_rawinput is set to 1.

Additionally, I have made joy_yawsensitivity querying conditional based on joystick 1

[followingthefasciaplane]

From my testing, everything seems to work fine.