Center Filters and let result list grow to bottom

src/main/resources/fxml/health_check_details.fxml

@@ -40,14 +40,14 @@
 		</Button>
 
 	</HBox>
-	<VBox spacing="3">
-		<HBox alignment="CENTER_LEFT" spacing="6">
+	<VBox spacing="3" VBox.vgrow="ALWAYS">
+		<HBox alignment="CENTER" spacing="6">
 			<Label fx:id="filterLbl" text="Filters">
 				<graphic>
 					<FontAwesome5IconView glyph="FUNNEL" glyphSize="${filterLbl.height}" styleClass="glyph-icon-muted"/>
 				</graphic>
 			</Label>
-			<Region HBox.hgrow="ALWAYS" />
+			<Region minWidth="12" />
 			<Label text="Severity" labelFor="${severityChoiceBox}"/>
 			<ChoiceBox fx:id="severityChoiceBox" />
 			<Label text="Fix state" labelFor="${fixStateChoiceBox}"/>