fix: core usage of zeroLength

[NathanWalker]

Fixes the following warning:

WARNING in ./node_modules/@nativescript-community/ui-svg/index.common.js 42:20-30
export 'zeroLength' (imported as 'zeroLength') was not found in '@nativescript/core' (possible exports: AbsoluteLayout, AccessibilityEvents, AccessibilityLiveRegion, AccessibilityRole, AccessibilityState, AccessibilityTrait, ActionBar, ActionItem, ActionItems, ActivityIndicator, AndroidApplication, Animation, AnimationCurve, Application, ApplicationSettings, Background, Binding, Builder, Button, CSSHelper, CSSType, CSSUtils, ChangeType, CoercibleProperty, Color, Connectivity, ContainerView, ContentView, ControlStateChangeListener, CoreTypes, CssAnimationParser, CssAnimationProperty, CssProperty, CustomLayoutView, CustomTransitionModal, DatePicker, Device, DialogStrings, Dialogs, DockLayout, EditableTextBase, Enums, File, FileSystemEntity, FlexboxLayout, Folder, Font, FontScaleCategory, FontStyle, FontVariationSettings, FontWeight, FormattedString, Frame, GestureEvents, GestureStateTypes, GestureTypes, GesturesObserver, GridLayout, GridUnitType, HtmlView, Http, IOSHelper, Image, ImageAsset, ImageCache, ImageSource, InheritedCssProperty, InheritedProperty, ItemSpec, KeyframeAnimation, KeyframeAnimationInfo, KeyframeDeclaration, KeyframeInfo, Label, LayoutBase, Length, ListPicker, ListView, ModuleNameResolver, NavigationButton, Observable, ObservableArray, Page, PageBase, ParserEvent, ParserEventType, PercentLength, Placeholder, Progress, Property, ProxyViewContainer, PseudoClassHandler, Repeater, RootLayout, Screen, ScrollView, SearchBar, SegmentedBar, SegmentedBarItem, ShorthandProperty, Slider, Span, StackLayout, Style, SwipeDirection, Switch, TabView, TabViewItem, TextBase, TextField, TextView, TimePicker, TouchAction, TouchManager, Trace, Transition, Utils, View, ViewBase, ViewHelper, VirtualArray, WebView, WrapLayout, WrappedValue, XmlParser, _setResolver, _updateCharactersInRangeReplacementString, action, addTaggedAdditionalCSS, addWeakEventListener, alert, androidDynamicElevationOffsetProperty, androidElevationProperty, animationTimingFunctionConverter, autocapitalizationTypeProperty, autocorrectProperty, autofillTypeProperty, backgroundColorProperty, backgroundImageProperty, backgroundInternalProperty, backgroundPositionProperty, backgroundRepeatProperty, backgroundSizeProperty, booleanConverter, borderBottomColorProperty, borderBottomLeftRadiusProperty, borderBottomRightRadiusProperty, borderBottomWidthProperty, borderLeftColorProperty, borderLeftWidthProperty, borderRightColorProperty, borderRightWidthProperty, borderTopColorProperty, borderTopLeftRadiusProperty, borderTopRightRadiusProperty, borderTopWidthProperty, capitalizationType, clipPathProperty, colorProperty, confirm, eachDescendant, editableProperty, encoding, fontFamilyProperty, fontInternalProperty, fontScaleProperty, fontSizeProperty, fontStyleProperty, fontVariationSettingsProperty, fontWeightProperty, fromObject, fromObjectRecursive, getAncestor, getCurrentPage, getFileAccess, getRootLayout, getTransformedText, getViewById, heightProperty, hintProperty, horizontalAlignmentProperty, iOSApplication, inputType, isAndroid, isIOS, isUserInteractionEnabledProperty, keyboardTypeProperty, knownFolders, letterSpacingProperty, lineHeightProperty, login, makeParser, makeValidator, marginBottomProperty, marginLeftProperty, marginRightProperty, marginTopProperty, maxLengthProperty, minHeightProperty, minWidthProperty, opacityProperty, paddingBottomProperty, paddingLeftProperty, paddingRightProperty, paddingTopProperty, parseCSSShadow, parseKeyframeDeclarations, path, perspectiveProperty, placeholderColorProperty, platformNames, profile, profilingDisable, profilingDumpProfiles, profilingEnable, profilingIsRunning, profilingResetProfiles, profilingStart, profilingStartCPU, profilingStop, profilingStopCPU, profilingTime, profilingUptime, prompt, removeTaggedAdditionalCSS, removeWeakEventListener, resolveFileNameFromUrl, returnKeyTypeProperty, rotateProperty, rotateXProperty, rotateYProperty, sanitizeModuleName, scaleXProperty, scaleYProperty, setActivityCallbacks, textAlignmentProperty, textDecorationProperty, textShadowProperty, textTransformProperty, timeConverter, transformConverter, translateXProperty, translateYProperty, unsetValue, updateTextTriggerProperty, verticalAlignmentProperty, visibilityProperty, whiteSpaceProperty, widthProperty, zIndexProperty)
 @ ./node_modules/@nativescript-community/ui-svg/index.ios.js 3:0-122 4:0-43 4:0-43 74:25-32 220:69-87 250:29-40 312:5-26 320:5-30
 @ ./node_modules/@nativescript-community/ui-svg/vue/index.js 1:0-45 4:47-56 5:45-52 6:42-45
 @ ./src/main.ts 7:0-59 29:8-17

[farfromrefug]

@NathanWalker thabks but the project is not maintained here anymore. It is in the repo of ui-canvas. Will port the fix there