refactor: apply overflow on default theme

Signed-off-by: Federico Morreale <frc.morreale@gmail.com>

packages/theme/src/v5/defaultComponentThemes.ts

@@ -239,4 +239,11 @@ export const defaultComponentThemes: ThemeOptions['components'] = {
       underline: 'hover',
     },
   },
+  MuiStepper: {
+    styleOverrides: {
+      root: {
+        overflowX: 'auto',
+      },
+    },
+  },
 };

plugins/scaffolder-react/src/next/components/Stepper/Stepper.tsx

@@ -190,12 +190,7 @@ export const Stepper = (stepperProps: StepperProps) => {
   return (
     <>
       {isValidating && <LinearProgress variant="indeterminate" />}
-      <MuiStepper
-        activeStep={activeStep}
-        alternativeLabel
-        variant="elevation"
-        style={{ overflowX: 'auto' }}
-      >
+      <MuiStepper activeStep={activeStep} alternativeLabel variant="elevation">
         {steps.map((step, index) => {
           const isAllowedLabelClick = activeStep > index;
           return (

plugins/scaffolder-react/src/next/components/TaskSteps/TaskSteps.tsx

@@ -58,7 +58,6 @@ export const TaskSteps = (props: TaskStepsProps) => {
           activeStep={props.activeStep}
           alternativeLabel
           variant="elevation"
-          style={{ overflowX: 'auto' }}
         >
           {props.steps.map(step => {
             const isCompleted = step.status === 'completed';