fix: enable network, correctly add env vars

me.theentropyshard.teslauncher.yml

@@ -3,6 +3,10 @@ runtime: org.freedesktop.Platform
 runtime-version: '24.08'
 sdk: org.freedesktop.Sdk
 command: /app/tesl.sh
+build-options:
+  build-args:
+    # sorry, but i dont want to google how to vendor gradle deps
+    - --share=network
 finish-args:
   - --share=ipc
   - --socket=x11
@@ -34,11 +38,9 @@ modules:
         branch: master
         dest: src
     build-commands:
-      - 'export PATH="$PWD/jdk/bin:$PATH"'
-      - 'java --version'
-      - 'cd src'
-      - './gradlew shadowJar'
-      - 'find ./build/libs/ -name "TESL*.jar" -type f -exec install -D -m 644 {} /app/tesl.jar \;'
+      - 'PATH="$PWD/jdk/bin:$PATH" JAVA_HOME="$PWD/jdk" java --version'
+      - 'export PATH="$PWD/jdk/bin:$PATH" JAVA_HOME="$PWD/jdk" && cd src && ./gradlew shadowJar && cd ..'
+      - 'find src/build/libs/ -name "TESL*.jar" -type f -exec install -D -m 644 {} /app/tesl.jar \;'
   - name: tesl-run
     buildsystem: simple
     sources: