fix: About dialog crash and flatpak build id (1.0.5 pkgrel 8)

Replace the tall ScrollView/license layout that crashed under KDE Dialog
with a compact layout matching the other dialogs. Inject BEARWAVE_GIT_HASH
into flatpak builds via manifest env (no .git in builder sandbox).

scripts/build-flatpak.sh

@@ -19,20 +19,34 @@ for arg in "$@"; do
   esac
 done
 
+git_hash="$(git -C "${root}" rev-parse --short HEAD 2>/dev/null || echo unknown)"
+build_manifest="${root}/.flatpak-builder-manifest.json"
+python3 - "${root}/de.nerdbear.bearwave.json" "${build_manifest}" "${git_hash}" <<'PY'
+import json, sys
+src, dst, git_hash = sys.argv[1], sys.argv[2], sys.argv[3]
+with open(src, encoding="utf-8") as f:
+    manifest = json.load(f)
+module = manifest["modules"][0]
+module.setdefault("build-options", {}).setdefault("env", {})["BEARWAVE_GIT_HASH"] = git_hash
+with open(dst, "w", encoding="utf-8") as f:
+    json.dump(manifest, f, indent=4)
+    f.write("\n")
+PY
+
 if [[ "${mode}" == "reexport" ]]; then
   flatpak-builder \
     --repo=flatpak_repo \
     --gpg-sign="${gpg_key_id}" \
     --export-only \
     flatpak_build \
-    de.nerdbear.bearwave.json
+    "${build_manifest}"
 else
   flatpak-builder \
     --repo=flatpak_repo \
     --gpg-sign="${gpg_key_id}" \
     --force-clean \
     flatpak_build \
-    de.nerdbear.bearwave.json
+    "${build_manifest}"
 fi
 
 flatpak build-update-repo --gpg-sign="${gpg_key_id}" flatpak_repo