final tslint fixes

Author: nreese

x-pack/plugins/maps/public/classes/styles/vector/components/legend/breaked_legend.tsx

@@ -15,7 +15,7 @@ const EMPTY_VALUE = '';
 interface Break {
   color: string;
   label: ReactElement<any> | string | number;
-  symbolId: string;
+  symbolId?: string;
 }
 
 interface Props {

x-pack/plugins/maps/public/classes/styles/vector/components/legend/category.tsx

@@ -15,7 +15,7 @@ interface Props {
   color: string;
   isLinesOnly: boolean;
   isPointsOnly: boolean;
-  symbolId: string;
+  symbolId?: string;
 }
 
 export function Category({ styleName, label, color, isLinesOnly, isPointsOnly, symbolId }: Props) {

x-pack/plugins/maps/public/classes/styles/vector/properties/dynamic_color_property.tsx

@@ -293,7 +293,7 @@ export class DynamicColorProperty extends DynamicStyleProperty<ColorDynamicOptio
   renderLegendDetailRow({ isPointsOnly, isLinesOnly, symbolId }: LegendProps) {
     const { stops, defaultColor } = this._getColorStops();
     const breaks = [];
-    stops.forEach(({ stop, color }: { stop: number | null; color: string }) => {
+    stops.forEach(({ stop, color }: { stop: string | number | null; color: string }) => {
       if (stop !== null) {
         breaks.push({
           color,