Made error message more concise. Removed duplicate code

src/main/java/no/ntnu/idatt1002/demo/controller/AddIncomeController.java

@@ -105,9 +105,7 @@ public class AddIncomeController {
     chosenIncome.recurringProperty().bindBidirectional(income.recurringProperty());
     chosenIncome.incomeCategoryObjectProperty().bindBidirectional(income.incomeCategoryObjectProperty());
     chosenIncome.dateProperty().bindBidirectional(income.dateProperty());
-    descriptionField.textProperty().set(income.getDescription());
-    amountField.textProperty().setValue(String.valueOf(income.getAmount()));
-    recurringBox.setValue(income.isRecurring());
+
 
     //Set the values of the input fields of the dialog box
     descriptionField.textProperty().set(income.getDescription());

src/main/resources/view/AddExpense.fxml

@@ -73,7 +73,7 @@
                </GridPane.margin>
             </HBox>
             <DatePicker fx:id="datePicker" GridPane.columnIndex="1" />
-            <Text fx:id="errorMsg" fill="#d90808" opacity="0.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Invalid inputs. Please make surce that amount is above 1 and that category and recurring have values" wrappingWidth="300.0" GridPane.columnSpan="3" GridPane.rowIndex="5" GridPane.rowSpan="2">
+            <Text fx:id="errorMsg" fill="#d90808" opacity="0.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Invalid input. Please make sure that amount is an integer above 1." wrappingWidth="300.0" GridPane.columnSpan="3" GridPane.rowIndex="5" GridPane.rowSpan="2">
                <font>
                   <Font name="Lucida Console" size="11.0" />
                </font>

src/main/resources/view/AddIncome.fxml

@@ -80,7 +80,7 @@
                </GridPane.margin>
             </HBox>
             <DatePicker fx:id="datePicker" GridPane.columnIndex="1" />
-            <Text fx:id="errorMsg" fill="#d90808" opacity="0.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Invalid inputs. Please make surce that amount is above 1 and that category and recurring have values" wrappingWidth="300.0" GridPane.columnSpan="3" GridPane.rowIndex="5" GridPane.rowSpan="2">
+            <Text fx:id="errorMsg" fill="#d90808" opacity="0.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Invalid input. Please make sure that amount is an integer above 1." wrappingWidth="300.0" GridPane.columnSpan="3" GridPane.rowIndex="5" GridPane.rowSpan="2">
                <font>
                   <Font name="Lucida Console" size="11.0" />
                </font>