Performance: Optimized data loading of course (#416)

* perf: optimised data loading on dashboard and course details

* fix: course unit tests

* fix: course load exception and removed ui result class

* fix: lint checks

* chore: moved to flow.catch from try/catch in course outline and container viewmodels

Author: Ahsan Arif

app/build.gradle

@@ -180,3 +180,7 @@ private def setupFirebaseConfigFields(buildType) {
 
     buildType.manifestPlaceholders = [fcmEnabled: firebaseEnabled && cloudMessagingEnabled]
 }
+
+ksp {
+    arg("room.schemaLocation", "$projectDir/schemas")
+}