fix: few code smells

Author: kemuru

web/src/pages/Courts/CourtDetails/StakePanel/Simulator/index.tsx

@@ -233,7 +233,7 @@ const Simulator: React.FC<ISimulator> = ({ amountToStake, isStaking }) => {
       <QuantityToSimulate {...{ jurorCurrentEffectiveStake, jurorCurrentSpecificStake, isStaking, amountToStake }} />
       <ItemsContainer>
         {simulatorItems.map((item, index) => (
-          <SimulatorItem key={index}>
+          <SimulatorItem key={item.title}>
             <LeftContent>
               <IconWrapper>{item.icon}</IconWrapper>
               {item.tooltipMsg ? (

web/src/utils/beautifyStatNumber.ts

@@ -28,7 +28,8 @@ export function unbeautifyStatNumber(value: string): number {
     K: 1e3,
   };
 
-  const match = value.match(/^([\d,\.]+)([BMK]?)$/);
+  const regex = /^([\d,.]+)([BMK]?)$/;
+  const match = regex.exec(value);
 
   if (!match) {
     throw new Error("Invalid formatted number string");