Update prop validation for Picker and DateInput components

Author: Adam McCann

src/components/DateInput.vue

@@ -47,7 +47,7 @@ export default {
     refName: String,
     openDate: Date,
     placeholder: String,
-    inputClass: [String, Object],
+    inputClass: [String, Object, Array],
     clearButton: Boolean,
     clearButtonIcon: String,
     calendarButton: Boolean,

src/components/PickerDay.vue

@@ -37,7 +37,7 @@ export default {
     allowedToShowView: Function,
     disabledDates: Object,
     highlighted: Object,
-    calendarClass: String,
+    calendarClass: [String, Object, Array],
     calendarStyle: Object,
     translation: Object,
     isRtl: Boolean,

src/components/PickerMonth.vue

@@ -28,7 +28,7 @@ export default {
     pageDate: Date,
     pageTimestamp: Number,
     disabledDates: Object,
-    calendarClass: String,
+    calendarClass: [String, Object, Array],
     calendarStyle: Object,
     translation: Object,
     allowedToShowView: Function

src/components/PickerYear.vue

@@ -25,7 +25,7 @@ export default {
     pageTimestamp: Number,
     disabledDates: Object,
     highlighted: Object,
-    calendarClass: String,
+    calendarClass: [String, Object, Array],
     calendarStyle: Object,
     translation: Object,
     allowedToShowView: Function