prop-prepend-icon.vue

<template>
  <v-row dense>
    <v-col cols="12" md="6">
      <v-date-input
        label="Select a date"
        prepend-icon=""
        prepend-inner-icon="$calendar"
        variant="solo"
      ></v-date-input>

    </v-col>

    <v-col cols="12" md="6">
      <v-date-input
        label="Select a date"
        prepend-icon=""
        variant="solo"
      ></v-date-input>

    </v-col>
  </v-row>
</template>