fix(ios): internal picker state persisting with recycling

Author: sterlingwes

ios/RNDateTimePicker.h

@@ -9,4 +9,6 @@
 
 @interface RNDateTimePicker : UIDatePicker
 
+- (void)reset;
+
 @end

ios/RNDateTimePicker.m

@@ -72,4 +72,11 @@ - (void)setDate:(NSDate *)date {
     }
 }
 
+- (void)reset
+{
+  self.minimumDate = nil;
+  self.maximumDate = nil;
+  self.date = [NSDate date];
+}
+
 @end

ios/fabric/RNDateTimePickerComponentView.mm

@@ -40,9 +40,9 @@ @interface RNDateTimePickerComponentView () <RCTRNDateTimePickerViewProtocol>
 @end
 
 @implementation RNDateTimePickerComponentView {
-    UIDatePicker *_picker;
+    RNDateTimePicker *_picker;
     // Dummy picker to apply prop changes and calculate/update the size before the actual picker gets updated
-    UIDatePicker *_dummyPicker;
+    RNDateTimePicker *_dummyPicker;
     RNDateTimePickerShadowNode::ConcreteState::Shared _state;
 }
 
@@ -119,6 +119,8 @@ - (void)prepareForRecycle
 {
     [super prepareForRecycle];
     _state.reset();
+    [_picker reset];
+    [_dummyPicker reset];
 }
 
 -(void)updateTextColorForPicker:(UIDatePicker *)picker color:(UIColor *)color