fix(#249): regarding issue introduced in IOS 14 UISlider needs to forc… (#450)

* fix(249): regarding issue introduced in IOS 14 UISlider needs to force rerender while disabling

* Use slider object for setDisabled method call in ComponentView

RNCSliderComponentView gets compiled for new architecture which is why the CI fails for Fabric iOS.
This commit fixes that.

* Remove redundant comment

The comment was about the layoutSubviews that fixes issue of outdated
Slider layout when changing the enabled/disabled state.
More:
https://developer.apple.com/forums/thread/658526

Co-authored-by: Bartosz Klonowski <70535775+BartoszKlonowski@users.noreply.github.com>
Co-authored-by: BartoszKlonowski <Bartosz.Klonowski@callstack.com>

Author: MateWW

package/ios/RNCSlider.h

@@ -28,5 +28,6 @@
 @property (nonatomic, strong) NSArray *accessibilityIncrements;
 
 - (float) discreteValue:(float)value;
+- (void) setDisabled:(bool)disabled;
 
 @end

package/ios/RNCSlider.m

@@ -132,6 +132,12 @@ - (void)setInverted:(BOOL)inverted
   }
 }
 
+- (void)setDisabled:(BOOL)disabled
+{
+    self.enabled = !disabled;
+    [self layoutSubviews];
+}
+
 - (float)discreteValue:(float)value
 {
     if (self.step > 0 && value >= self.maximumValue) {

package/ios/RNCSliderComponentView.mm

@@ -152,7 +152,7 @@ - (void)updateProps:(const Props::Shared &)props oldProps:(const Props::Shared &
         }
     }
     if (oldScreenProps.disabled != newScreenProps.disabled) {
-        slider.enabled = !newScreenProps.disabled;
+        [slider setDisabled: newScreenProps.disabled];
     }
     if (oldScreenProps.step != newScreenProps.step) {
         slider.step = newScreenProps.step;

package/ios/RNCSliderManager.m

@@ -159,9 +159,9 @@ - (void)sliderTouchEnd:(RNCSlider *)sender
 RCT_CUSTOM_VIEW_PROPERTY(disabled, BOOL, RNCSlider)
 {
   if (json) {
-    view.enabled = !([RCTConvert BOOL:json]);
+    [view setDisabled: [RCTConvert BOOL:json]];
   } else {
-    view.enabled = defaultView.enabled;
+    [view setDisabled: defaultView.enabled];
   }
 }