fix: align webpack output and dojoRoot with ECLWATCH_DIST_URL

Agent-Logs-Url: https://github.com/risk-hsy/HPCC-Platform/sessions/f6eda9f9-3693-47be-9fa0-354f20f7038c

Co-authored-by: SmithG3_risk <227189191+SmithG3_risk@users.noreply.github.com>

Author: Copilot

esp/src/webpack.config.js

@@ -21,11 +21,13 @@ proxyItems.forEach(item => {
 
 const distPublicPath = (process.env.ECLWATCH_DIST_URL || "/esp/files/dist/").replace(/\/?$/, "/");
 const distUrl = distPublicPath.replace(/\/$/, "");
+const distFolder = distUrl.split("/").filter(Boolean).pop() || "dist";
+const outputPath = path.resolve(__dirname, `build/${distFolder}`);
 
 const plugins = [
     new DojoWebpackPlugin({
         loaderConfig: require("./eclwatch/dojoConfig"),
-        environment: { dojoRoot: "build/dist", distUrl },
+        environment: { dojoRoot: `build/${distFolder}`, distUrl },
         buildEnvironment: { dojoRoot: "node_modules" }, // used at build time
         locales: ["en", "bs", "es", "fr", "hr", "hu", "pt-br", "sr", "zh"]
     }),
@@ -73,7 +75,7 @@ module.exports = function (env) {
         },
         output: {
             filename: "[name].eclwatch.js",
-            path: path.resolve(__dirname, "build/dist"),
+            path: outputPath,
             publicPath: distPublicPath,
             pathinfo: true
         },
@@ -145,4 +147,4 @@ module.exports = function (env) {
             (warning) => typeof warning.message === "string" && warning.message.includes("Failed to parse source map")
         ]
     };
-};
+};