Fixed background Color issue on funnel and gauge.

Author: Imiss-U1025

client/packages/lowcoder-comps/src/comps/funnelChartComp/funnelChartUtils.ts

@@ -154,7 +154,7 @@ export function getEchartsConfig(
           "textShadowOffsetY": props?.titleStyle?.chartBoxShadow?.split('px')[2] || theme?.titleStyle?.boxShadow?.split('px')[2]
         }
       },
-      "backgroundColor": parseBackground( props?.chartStyle?.background || theme?.chartStyle.backgroundColor || "#FFFFFF"),
+      "backgroundColor": parseBackground( props?.chartStyle?.background || theme?.chartStyle?.backgroundColor || "#FFFFFF"),
       "color": props.echartsOption.data?.map(data => data.color),
       "tooltip": props.tooltip&&{
         "trigger": "item",

client/packages/lowcoder-comps/src/comps/gaugeChartComp/gaugeChartUtils.ts

@@ -154,7 +154,7 @@ export function getEchartsConfig(
           "textShadowOffsetY": props?.titleStyle?.chartBoxShadow?.split('px')[2] || theme?.titleStyle?.boxShadow?.split('px')[2]
         },
       },
-      "backgroundColor": parseBackground( props?.chartStyle?.background || theme?.chartStyle.backgroundColor || "#FFFFFF"),
+      "backgroundColor": parseBackground( props?.chartStyle?.background || theme?.chartStyle?.backgroundColor || "#FFFFFF"),
       "tooltip": props.tooltip&&{
         "trigger": "item",
         "formatter": "{a} <br/>{b} : {c}%"