[Editor] Enable opening multiple SQL scripts in tabs

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/database/view/list/TablesListView.kt

@@ -20,6 +20,8 @@ class TablesListView : View() {
 
    private var database: SQLDatabase? = null
 
+   private var index = 0
+
    private val treeView = treeview<SQLElement> {
       isShowRoot = false
 
@@ -39,7 +41,7 @@ class TablesListView : View() {
          button("SQL Script", graphic = FontIcon("fa-code")) {
             action {
                mainController.openScript(
-                  fsNode = InMemoryStringFileNode("Script", "sql", "SELECT * FROM myTable;"),
+                  fsNode = InMemoryStringFileNode("Script ${++index}", "sql", ""),
                   execute = { code -> databaseService.run { executeScript(code, this) } },
                   saveable = false
                )

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/file/model/InMemoryStringFileNode.kt

@@ -14,8 +14,8 @@ class InMemoryStringFileNode(name: String, extension: String, val content: Strin
    override val nameWithoutExtensionProperty = name.toProperty()
    override val nameWithoutExtension by nameWithoutExtensionProperty
 
-   override val absolutePathProperty = "".toProperty()
-   override val absolutePath by absolutePathProperty
+   override val absolutePathProperty = nameProperty
+   override val absolutePath = name
 
    override val type = FileType.FILE