Pull mesa from SID

Dockerfile.debian

@@ -150,6 +150,7 @@ RUN \
 RUN \
     echo "**** Update apt database ****" \
         && dpkg --add-architecture i386 \
+        && echo "deb http://deb.debian.org/debian/ sid main" > /etc/apt/sources.list \
         && apt-get update \
     && \
     echo "**** Install mesa requirements ****" \
@@ -169,15 +170,8 @@ RUN \
             mesa-vulkan-drivers:i386 \
             vulkan-tools \
     && \
-    echo "**** Install desktop requirements ****" \
-        && apt-get install -y --no-install-recommends \
-            libdbus-1-3 \
-            libegl1 \
-            libgtk-3-0 \
-            libgtk2.0-0 \
-            libsdl2-2.0-0 \
-    && \
     echo "**** Section cleanup ****" \
+        && rm -f /etc/apt/sources.list \
         && apt-get clean autoclean -y \
         && apt-get autoremove -y \
         && rm -rf \
@@ -267,6 +261,14 @@ RUN \
     echo "**** Update apt database ****" \
         && apt-get update \
     && \
+    echo "**** Install desktop requirements ****" \
+        && apt-get install -y --no-install-recommends \
+            libdbus-1-3 \
+            libegl1 \
+            libgtk-3-0 \
+            libgtk2.0-0 \
+            libsdl2-2.0-0 \
+    && \
     echo "**** Install desktop environment ****" \
         && apt-get install -y \
             fonts-vlgothic \