Fix bug with unregistering executing controllers and small visual improvement

Author: introfog

src/main/java/com/github/introfog/gitwave/controller/main/ExecutionController.java

@@ -36,20 +36,19 @@ public class ExecutionController extends BaseController {
     public void initialize(FxmlStageHolder fxmlStageHolder) {
         super.initialize(fxmlStageHolder);
         fxmlStageHolder.getStage().setOnCloseRequest(event -> {
-            wasClosed = true;
-            StageFactory.unregisterExecutingController(this);
+            beforeStageClose();
         });
         canvas.setOnKeyPressed(event -> {
             if (event.getCode() == KeyCode.ESCAPE || event.getCode() == KeyCode.ENTER) {
                 if (isExecutionFinished) {
-                    fxmlStageHolder.getStage().close();
+                    closeStage();
                 }
             }
         });
         fxmlStageHolder.getScene().setOnKeyPressed(event -> {
             if (event.getCode() == KeyCode.ESCAPE || event.getCode() == KeyCode.ENTER) {
                 if (isExecutionFinished) {
-                    fxmlStageHolder.getStage().close();
+                    closeStage();
                 }
             }
         });
@@ -83,11 +82,22 @@ public boolean wasClosed() {
         return wasClosed;
     }
 
+    @Override
+    protected void closeStage() {
+        beforeStageClose();
+        super.closeStage();
+    }
+
     private void commonWritingPart(String line, String style) {
         Platform.runLater(() -> {
             canvas.appendText(line);
             canvas.setStyle(canvas.getLength() - line.length(), canvas.getLength(), style);
             canvas.requestFollowCaret();
         });
     }
+
+    private void beforeStageClose() {
+        wasClosed = true;
+        StageFactory.unregisterExecutingController(this);
+    }
 }

src/main/resources/com/github/introfog/gitwave/view/explorer.fxml

@@ -7,8 +7,8 @@
    <children>
       <TableView fx:id="commandsTable" onMouseClicked="#mouseClick" prefHeight="223.0" prefWidth="600.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
         <columns>
-          <TableColumn minWidth="100.0" prefWidth="468.0" text="Command" />
-          <TableColumn minWidth="100.0" prefWidth="300.0" text="Description" />
+          <TableColumn minWidth="100.0" prefWidth="384.0" text="Command" />
+          <TableColumn minWidth="100.0" prefWidth="384.0" text="Description" />
             <TableColumn editable="false" maxWidth="30.0" minWidth="30.0" prefWidth="30.0" resizable="false" sortable="false" />
         </columns>
          <columnResizePolicy>