fix: handle null passed to matrix and tintColor (#1904)

PR adding handling of null values passed to matrix and tintColor props on Android. It should not happen from normal render method, but can still be passed with Animated or Reanimated through native updates or setNativeProps.

Author: WoLewicki

android/src/main/java/com/horcrux/svg/SvgView.java

@@ -186,7 +186,7 @@ private void clearChildCache() {
   }
 
   public void setTintColor(Integer tintColor) {
-    mTintColor = tintColor;
+    mTintColor = tintColor != null ? tintColor : 0;
     invalidate();
     clearChildCache();
   }

android/src/main/java/com/horcrux/svg/VirtualView.java

@@ -291,30 +291,27 @@ public void setOpacity(float opacity) {
   }
 
   public void setMatrix(Dynamic matrixArray) {
-    ReadableType type = matrixArray.getType();
-    if (!matrixArray.isNull() && type.equals(ReadableType.Array)) {
-      ReadableArray matrix = matrixArray.asArray();
-      setMatrix(matrix);
+    boolean isArrayType = !matrixArray.isNull() && matrixArray.getType().equals(ReadableType.Array);
+    setMatrix(isArrayType ? matrixArray.asArray() : null);
+  }
+
+  public void setMatrix(@Nullable ReadableArray matrixArray) {
+    if (matrixArray != null) {
+      int matrixSize = PropHelper.toMatrixData(matrixArray, sRawMatrix, mScale);
+      if (matrixSize == 6) {
+        if (mMatrix == null) {
+          mMatrix = new Matrix();
+          mInvMatrix = new Matrix();
+        }
+        mMatrix.setValues(sRawMatrix);
+        mInvertible = mMatrix.invert(mInvMatrix);
+      } else if (matrixSize != -1) {
+        FLog.w(ReactConstants.TAG, "RNSVG: Transform matrices must be of size 6");
+      }
     } else {
       mMatrix.reset();
       mInvMatrix.reset();
       mInvertible = true;
-      super.invalidate();
-      clearParentCache();
-    }
-  }
-
-  public void setMatrix(ReadableArray matrixArray) {
-    int matrixSize = PropHelper.toMatrixData(matrixArray, sRawMatrix, mScale);
-    if (matrixSize == 6) {
-      if (mMatrix == null) {
-        mMatrix = new Matrix();
-        mInvMatrix = new Matrix();
-      }
-      mMatrix.setValues(sRawMatrix);
-      mInvertible = mMatrix.invert(mInvMatrix);
-    } else if (matrixSize != -1) {
-      FLog.w(ReactConstants.TAG, "RNSVG: Transform matrices must be of size 6");
     }
     super.invalidate();
     clearParentCache();