feat: Download platform tools in image

Author: Arrowana

generate_dockerfiles.py

@@ -57,6 +57,11 @@
 RUN apt-get update && apt-get install -qy git gnutls-bin
 RUN sh -c "$(curl -sSfL https://release.anza.xyz/{AGAVE_VERSION_PLACEHOLDER}/install)"
 ENV PATH="/root/.local/share/solana/install/active_release/bin:$PATH"
+# Call cargo build-sbf to trigger installation of associated platform tools
+RUN cargo init temp && \\
+    cd temp && \\
+    cargo build-sbf && \\
+    rm -rf temp
 WORKDIR /build
 
 CMD /bin/bash