fix(ios): clipPath rendering, fixes #1131

Author: msand

ios/Elements/RNSVGGroup.m

@@ -39,7 +39,7 @@ - (void)renderGroupTo:(CGContextRef)context rect:(CGRect)rect
     __block CGRect bounds = CGRectNull;
 
     [self traverseSubviews:^(UIView *node) {
-        if ([node isKindOfClass:[RNSVGMask class]]) {
+        if ([node isKindOfClass:[RNSVGMask class]] || [node isKindOfClass:[RNSVGClipPath class]]) {
             // no-op
         } else if ([node isKindOfClass:[RNSVGNode class]]) {
             RNSVGNode* svgNode = (RNSVGNode*)node;
@@ -84,10 +84,10 @@ - (void)renderGroupTo:(CGContextRef)context rect:(CGRect)rect
 
         CGAffineTransform current = CGContextGetCTM(context);
         CGAffineTransform svgToClientTransform = CGAffineTransformConcat(current, self.svgView.invInitialCTM);
-        
+
         self.ctm = svgToClientTransform;
         self.screenCTM = current;
-        
+
         CGAffineTransform transform = CGAffineTransformConcat(self.matrix, self.transforms);
         CGPoint mid = CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
         CGPoint center = CGPointApplyAffineTransform(mid, transform);