fix: Add loading icons to buttons

src/components/tx-flow/flows/ExecuteBatch/ReviewBatch.tsx

@@ -1,4 +1,4 @@
-import { Typography, Button, CardActions, Divider, Alert } from '@mui/material'
+import { CircularProgress, Typography, Button, CardActions, Divider, Alert } from '@mui/material'
 import useAsync from '@/hooks/useAsync'
 import { FEATURES } from '@safe-global/safe-gateway-typescript-sdk'
 import type { TransactionDetails } from '@safe-global/safe-gateway-typescript-sdk'
@@ -194,8 +194,14 @@ export const ReviewBatch = ({ params }: { params: ExecuteBatchFlowProps }) => {
           <CardActions>
             <CheckWallet allowNonOwner={true}>
               {(isOk) => (
-                <Button variant="contained" type="submit" disabled={!isOk || submitDisabled} onClick={handleSubmit}>
-                  Submit
+                <Button
+                  variant="contained"
+                  type="submit"
+                  disabled={!isOk || submitDisabled}
+                  onClick={handleSubmit}
+                  sx={{ minWidth: '114px' }}
+                >
+                  {!isSubmittable ? <CircularProgress size={20} /> : 'Submit'}
                 </Button>
               )}
             </CheckWallet>

src/components/tx/SignOrExecuteForm/ExecuteForm.tsx

@@ -1,5 +1,5 @@
 import { type ReactElement, type SyntheticEvent, useContext, useState } from 'react'
-import { Box, Button, CardActions, Divider } from '@mui/material'
+import { CircularProgress, Box, Button, CardActions, Divider } from '@mui/material'
 import classNames from 'classnames'
 
 import ErrorMessage from '@/components/tx/ErrorMessage'
@@ -156,8 +156,8 @@ const ExecuteForm = ({
           {/* Submit button */}
           <CheckWallet allowNonOwner={onlyExecute}>
             {(isOk) => (
-              <Button variant="contained" type="submit" disabled={!isOk || submitDisabled}>
-                Execute
+              <Button variant="contained" type="submit" disabled={!isOk || submitDisabled} sx={{ minWidth: '112px' }}>
+                {!isSubmittable ? <CircularProgress size={20} /> : 'Execute'}
               </Button>
             )}
           </CheckWallet>

src/components/tx/SignOrExecuteForm/SignForm.tsx

@@ -1,5 +1,5 @@
 import { type ReactElement, type SyntheticEvent, useContext, useState } from 'react'
-import { Box, Button, CardActions, Divider } from '@mui/material'
+import { CircularProgress, Box, Button, CardActions, Divider } from '@mui/material'
 
 import ErrorMessage from '@/components/tx/ErrorMessage'
 import { trackError, Errors } from '@/services/exceptions'
@@ -103,8 +103,14 @@ const SignForm = ({
           {/* Submit button */}
           <CheckWallet>
             {(isOk) => (
-              <Button data-testid="sign-btn" variant="contained" type="submit" disabled={!isOk || submitDisabled}>
-                Sign
+              <Button
+                data-testid="sign-btn"
+                variant="contained"
+                type="submit"
+                disabled={!isOk || submitDisabled}
+                sx={{ minWidth: '82px' }}
+              >
+                {!isSubmittable ? <CircularProgress size={20} /> : 'Sign'}
               </Button>
             )}
           </CheckWallet>