#692 Fix more PR suggestions.

Author: yruslan

pramen/core/src/main/scala/za/co/absa/pramen/core/app/AppContextImpl.scala

@@ -41,8 +41,11 @@ class AppContextImpl(val appConfig: AppConfig,
 
   override def close(): Unit = synchronized {
     if (closable != null) {
-      bookkeeper.close()
-      closable.close()
+      try {
+        bookkeeper.close()
+      } finally {
+        closable.close()
+      }
       closable = null
     }
 

pramen/core/src/main/scala/za/co/absa/pramen/core/bookkeeper/BookkeeperJdbc.scala

@@ -316,6 +316,7 @@ class BookkeeperJdbc(pramenDb: PramenDb, batchId: Long, autoCloseDb: Boolean) ex
   /** This method is for migration purposes*/
   private[pramen] def saveSchemaRaw(table: String, infoDate: String, schema: String): Unit = {
     try {
+      slickUtils.ensureDbConnected(pramenDb.slickDb)
       pramenDb.slickDb.run(
         pramenDb.schemaTable.records.filter(t => t.pramenTableName === table && t.infoDate === infoDate).delete
       ).execute()

pramen/core/src/main/scala/za/co/absa/pramen/core/notify/pipeline/PipelineNotificationBuilderHtml.scala

@@ -762,7 +762,7 @@ class PipelineNotificationBuilderHtml(implicit conf: Config) extends PipelineNot
       }
 
       tableBuilder.withRow(Seq(
-        TextElement(diff.tableName),
+        TextElement(StringUtils.escapeHTML(diff.tableName)),
         changeCell,
         oldColumnCell,
         newColumnCell,

pramen/core/src/test/scala/za/co/absa/pramen/core/tests/lock/TokenLockSQLiteSuite.scala

@@ -34,7 +34,7 @@ class TokenLockSQLiteSuite extends AnyWordSpec with  BeforeAndAfter with BeforeA
 
   before {
     if (pramenDb != null) pramenDb.close()
-    val dbFile = new File("pramen.sqlite", tempDir)
+    val dbFile = new File(tempDir, "pramen.sqlite")
     if (dbFile.exists()) {
       dbFile.delete()
     }