Minor: fix style and icon of switch to student button

assets/vue/components/StudentViewButton.vue

@@ -4,8 +4,8 @@
     v-model="isStudentView"
     :off-label="t('Switch to student view')"
     :on-label="t('Switch to teacher view')"
-    off-icon="eye"
-    on-icon="eye"
+    off-icon="eye-off"
+    on-icon="eye-on"
   />
 </template>
 

assets/vue/components/basecomponents/BaseToggleButton.vue

@@ -5,6 +5,7 @@
     :off-label="offLabel"
     :on-icon="chamiloIconToClass[onIcon]"
     :on-label="onLabel"
+    class="cursor-pointer"
     @change="$emit('update:modelValue', primeModelValue)"
   />
 </template>