Fixes issue with xy panel

[jfhenon]

PR description

fixes #930

[github-actions]

Coverage Report

Commit: 17081c1
Base: master@94068b8

Type	Base	This PR
Total Statements Coverage	58.28%	58.28% (+0%)
Total Branches Coverage	42.28%	42.28% (+0%)
Total Functions Coverage	52.46%	52.46% (+0%)
Total Lines Coverage	59.32%	59.32% (+0%)

Details (changed files)

File	Statements	Branches	Functions	Lines

Details (all files)

File	Statements	Branches	Functions	Lines
packages/svgcanvas/common/browser.js	83.33%	100%	33.33%	96%
packages/svgcanvas/common/util.js	10.87%	10.2%	42.86%	8.89%
src/editor/ConfigObj.js	48.04%	35.42%	78.57%	48.51%
src/editor/Editor.js	48.2%	36.62%	33.33%	48.78%
src/editor/EditorStartup.js	62.75%	33.61%	52.94%	62.43%
src/editor/MainMenu.js	39.64%	14.58%	50%	39.64%
src/editor/Rulers.js	79.03%	74.42%	83.33%	78.15%
src/editor/browser-not-supported.js	75%	75%	100%	75%
src/editor/contextmenu.js	39.13%	0%	12.5%	40.91%
src/editor/locale.js	64.29%	30%	100%	64.29%
src/editor/components/PaintBox.js	79.1%	63.64%	100%	79.69%
src/editor/components/index.js	100%	100%	100%	100%
src/editor/components/seButton.js	70%	69.7%	46.67%	70.18%
src/editor/components/seColorPicker.js	80.39%	72.73%	68.75%	82%
src/editor/components/seExplorerButton.js	73.47%	56.67%	58.82%	75.79%
src/editor/components/seFlyingButton.js	64%	41.38%	64.29%	63.51%
src/editor/components/seInput.js	65.96%	50%	50%	67.39%
src/editor/components/seList.js	68.54%	54.55%	47.62%	67.82%
src/editor/components/seListItem.js	67.5%	80%	33.33%	66.67%
src/editor/components/seMenu.js	74.07%	60%	42.86%	76.92%
src/editor/components/seMenuItem.js	67.5%	42.11%	55.56%	70.27%
src/editor/components/sePalette.js	96.97%	76.92%	100%	96.97%
src/editor/components/sePlainBorderButton.js	100%	100%	100%	100%
src/editor/components/sePlainMenuButton.js	100%	100%	100%	100%
src/editor/components/seSelect.js	79.66%	87.5%	52.94%	80.36%
src/editor/components/seSpinInput.js	83.33%	76.47%	55.56%	84.62%
src/editor/components/seText.js	62.07%	62.5%	40%	64.29%
src/editor/components/seZoom.js	90.65%	58.33%	85.71%	91.18%
src/editor/components/jgraduate/ColorValuePicker.js	25.3%	21.66%	33.33%	23.38%
src/editor/components/jgraduate/Slider.js	54.55%	52.15%	52.94%	58.33%
src/editor/components/jgraduate/jQuery.jGraduate.js	46.84%	35.97%	31.82%	47.41%
src/editor/components/jgraduate/jQuery.jPicker.js	51.3%	42.08%	65%	53.45%
src/editor/dialogs/SePlainAlertDialog.js	14.29%	0%	0%	14.29%
src/editor/dialogs/cmenuDialog.js	90.08%	86.96%	57.14%	94.17%
src/editor/dialogs/cmenuLayersDialog.js	74.24%	72.22%	37.5%	80.33%
src/editor/dialogs/editorPreferencesDialog.js	79.25%	76.09%	30%	79.62%
src/editor/dialogs/exportDialog.js	67.24%	50%	35.71%	70.91%
src/editor/dialogs/imagePropertiesDialog.js	55.56%	43.4%	25%	55.9%
src/editor/dialogs/index.js	100%	100%	100%	100%
src/editor/dialogs/seAlertDialog.js	33.33%	100%	0%	33.33%
src/editor/dialogs/seConfirmDialog.js	25%	0%	0%	25%
src/editor/dialogs/sePromptDialog.js	20.83%	0%	28.57%	20.83%
src/editor/dialogs/seSelectDialog.js	25%	100%	0%	25%
src/editor/dialogs/svgSourceDialog.js	76%	82.35%	35.29%	75.68%
src/editor/dialogs/se-elix/define/NumberSpinBox.js	100%	100%	100%	100%
src/editor/dialogs/se-elix/src/base/NumberSpinBox.js	96.3%	88.68%	84.62%	96.3%
src/editor/dialogs/se-elix/src/plain/PlainNumberSpinBox.js	100%	100%	100%	100%
src/editor/extensions/ext-connector/ext-connector.js	29.49%	15%	61.54%	29.27%
src/editor/extensions/ext-connector/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-eyedropper/ext-eyedropper.js	54.93%	38.46%	62.5%	65%
src/editor/extensions/ext-eyedropper/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-grid/ext-grid.js	47.78%	40%	50%	48.86%
src/editor/extensions/ext-grid/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-markers/ext-markers.js	29.27%	27.5%	57.14%	30.87%
src/editor/extensions/ext-opensave/ext-opensave.js	25.53%	0%	23.08%	26.47%
src/editor/extensions/ext-opensave/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-panning/ext-panning.js	73.33%	33.33%	85.71%	73.33%
src/editor/extensions/ext-panning/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-polystar/ext-polystar.js	94.14%	62.9%	88.89%	93.93%
src/editor/extensions/ext-polystar/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-shapes/ext-shapes.js	97.5%	65.38%	100%	97.37%
src/editor/extensions/ext-shapes/locale/en.js	100%	100%	100%	100%
src/editor/extensions/ext-storage/ext-storage.js	64.84%	38.24%	58.33%	64.84%
src/editor/extensions/ext-storage/storageDialog.js	91.94%	86.67%	70%	93.33%
src/editor/locale/lang.en.js	100%	100%	100%	100%
src/editor/panels/BottomPanel.js	79.22%	53.33%	63.64%	81.69%
src/editor/panels/LayersPanel.js	43.56%	13.04%	22.22%	44.59%
src/editor/panels/LeftPanel.js	79.66%	37.5%	75%	81.03%
src/editor/panels/TopPanel.js	74.28%	60.98%	66.22%	75.56%