Removed returnToStartMenuBtn. Created a thread through all scenes up till main menu

src/main/java/no/ntnu/idatt1002/demo/data/Budget/FileHandlingBudget.java

@@ -35,6 +35,7 @@ public class FileHandlingBudget {
         //try (BufferedWriter bw = new BufferedWriter(new FileWriter(filePath + fileTitle + fileType))) {
             bw.write(generalBudget.toString());
         } catch (IOException ex) {
+            ex.printStackTrace();
             throw new IOException("Error writing to file: " + fileTitle);
         }
     }

src/main/resources/view/BudgetNewest.fxml

@@ -56,7 +56,6 @@
                               <Font name="Lucida Console" size="14.0" />
                            </font>
                         </Button>
-                        <Button fx:id="returnBtn" disable="true" layoutX="150.0" layoutY="104.0" mnemonicParsing="false" onAction="#switchScene" opacity="0.0" text="Button" />
                      </children>
                   </Pane>
                </left>

src/main/resources/view/newBudgetBudgert.fxml

@@ -84,11 +84,6 @@
                               </StackPane>
                               <HBox alignment="CENTER_RIGHT" GridPane.columnIndex="1" GridPane.rowIndex="2">
                                  <children>
-                                    <Button fx:id="backBtn" mnemonicParsing="false" onAction="#switchScene" prefWidth="100.0" text="Back">
-                                       <font>
-                                          <Font size="14.0" />
-                                       </font>
-                                    </Button>
                                     <Button fx:id="continueBtn" mnemonicParsing="false" onAction="#switchScene" prefWidth="100.0" text="Continue">
                                        <font>
                                           <Font size="14.0" />
@@ -192,11 +187,6 @@
                         <RowConstraints minHeight="10.0" vgrow="SOMETIMES" />
                      </rowConstraints>
                      <children>
-                        <Button fx:id="returnToStartMenuBtn" alignment="CENTER" mnemonicParsing="false" onAction="#switchScene" text="Return to start">
-                           <font>
-                              <Font size="14.0" />
-                           </font>
-                        </Button>
                         <Label fx:id="title" text="Budget Setup" textAlignment="CENTER" GridPane.columnIndex="1">
                            <font>
                               <Font size="36.0" />
@@ -213,7 +203,12 @@
                               <DatePicker fx:id="date" layoutX="3.0" layoutY="32.0" prefWidth="175.0" />
                            </children>
                         </Pane>
-                        <Button fx:id="returnBtn" disable="true" mnemonicParsing="false" onAction="#switchScene" opacity="0.0" text="Button" />
+                        <Button fx:id="returnToMainMenuBtn" disable="true" mnemonicParsing="false" onAction="#switchScene" opacity="0.0" text="Button" />
+                        <Button fx:id="backBtn" mnemonicParsing="false" onAction="#switchScene" prefWidth="100.0" text="Go back">
+                           <font>
+                              <Font size="14.0" />
+                           </font>
+                        </Button>
                      </children>
                   </GridPane>
                </children>