Reverse logic

src/freedombone-app-pleroma

     do
         chatenabled=
         enablechatstr=$'Enable chat system'
-        if grep -q ':chat, enabled: false' $PLEROMA_DIR/config/config.exs; then
+        if grep -q ':chat, enabled: true' $PLEROMA_DIR/config/config.exs; then
             chatenabled=1
             enablechatstr=$'Disable chat system'
         fi