[HL2MP] Fix items in MP conflicting with some SP behavior#464

Blixibon wants to merge 2 commits intomapbase-source:mapbase-mp-2025mapbase-source/source-sdk-2013:mapbase-mp-2025from

Blixibon:mapbase/mp-2025/hl2mp-item-fixesBlixibon/source-sdk-2013:mapbase/mp-2025/hl2mp-item-fixesCopy head branch name to clipboard