fix: reduce btc send form click area

src/app/pages/send/send-crypto-asset-form/components/amount-field.tsx

@@ -105,12 +105,11 @@ export function AmountField({
   return (
     <Stack
       alignItems="center"
-      onClick={onClickFocusInput}
       px="extra-loose"
       spacing={['base', meta.error && meta.touched ? 'base' : '48px']}
       width="100%"
     >
-      <Flex alignItems="center" flexDirection="column">
+      <Flex alignItems="center" flexDirection="column" onClick={onClickFocusInput}>
         <Flex
           alignItems="center"
           height="55px"

src/app/pages/send/send-crypto-asset-form/family/bitcoin/components/bitcoin-send-max-button.tsx

@@ -51,7 +51,10 @@ export function BitcoinSendMaxButton({
         data-testid={SendCryptoAssetSelectors.SendMaxBtn}
         fontSize={0}
         height="32px"
-        onClick={onSendMax}
+        onClick={e => {
+          e.stopPropagation();
+          onSendMax();
+        }}
         mode="tertiary"
         px="base-tight"
         type="button"

src/app/pages/send/send-crypto-asset-form/form/btc/use-btc-send-form.tsx

@@ -52,6 +52,7 @@ export function useBtcSendForm() {
     validationSchema: yup.object({
       amount: yup
         .number()
+        .concat(btcMinimumSpendValidator())
         .concat(
           btcAmountPrecisionValidator(formatPrecisionError(btcCryptoCurrencyAssetBalance.balance))
         )
@@ -63,8 +64,7 @@ export function useBtcSendForm() {
             recipient: formRef.current?.values.recipient ?? '',
             calcMaxSpend,
           })
-        )
-        .concat(btcMinimumSpendValidator()),
+        ),
       recipient: yup
         .string()
         .concat(btcAddressValidator())