Disable bindTextureMS for non-MSAA textures

For most pieces of RT state, if we need to create a non-MSAA RT, we can just copy over the state bits from the MSAA RT.  However, we shouldn't be turning on bindTextureMS on a 1x texture.  Unity somehow allows this creation, but then this leads to binding errors in the ShaderLab code.

ScriptableRenderPipeline/Core/CoreRP/RTHandle.cs

                     anisoLevel = refRT.anisoLevel,
                     mipMapBias = refRT.mipMapBias,
                     antiAliasing = 1, // No MSAA for the regular version of the texture.
-                    bindTextureMS = refRT.bindTextureMS,
+                    bindTextureMS = false, // Somehow, this can be true even if antiAliasing == 1. Leads to Unity-internal binding errors.
                     useDynamicScale = refRT.useDynamicScale,
                     vrUsage = refRT.vrUsage,
                     memorylessMode = refRT.memorylessMode