refactor: update Docker workflow and frontend configurations for consistency and optimization

Streamlined `.gitea/workflows/docker-publish.yaml` by reordering Keycloak service, upgrading actions to latest versions, and improving build argument handling. Enhanced frontend build configurations by optimizing Webpack and disabling JS minification for SQLite to prevent Terser issues.

frontend/shells/meldestelle-portal/build.gradle.kts

@@ -29,9 +29,9 @@ kotlin {
   // JavaScript Target für Web
   js {
     browser {
+
       commonWebpackConfig {
         cssSupport { enabled = true }
-        // Webpack-Mode abhängig von Build-Typ
         mode = if (project.hasProperty("production"))
           KotlinWebpackConfig.Mode.PRODUCTION
         else
@@ -41,8 +41,10 @@ kotlin {
         // Das beschleunigt den Build massiv.
         if (mode == KotlinWebpackConfig.Mode.PRODUCTION && !project.hasProperty("enableSourceMaps")) {
             sourceMaps = false
-        } else if (project.hasProperty("noSourceMaps")) {
-            sourceMaps = false
+        }
+
+        if (mode == KotlinWebpackConfig.Mode.PRODUCTION && !project.hasProperty("enableSourceMaps")) {
+          sourceMaps = false
         }
       }