How to add more fonts types the Rich text control in Dynamics365 online,

after I read this link (https://docs.microsoft.com/en-us/powerapps/maker/model-driven-apps/rich-text-editor-control), I have tried to edit the file ( /WebResources/msdyn_/RichTextEditorControl/RTEGlobalConfiguration.json) to add more fonts name but does not work, the new fonts will not be listed in the Listbox
{
"defaultSupportedProps": {
"autoGrow_onStartup": true,
"basicEntities": true,
"browserContextMenuOnCtrl": true,
"copyFormatting_allowRules": true,
"customConfig": "",
"dialog_backgroundCoverColor": "black",
"disableNativeSpellChecker": false,
"enterMode": 3,
"extraPlugins": "accessibilityhelp,autogrow,autolink,basicstyles,bidi,blockquote,button,collapser,colorbutton,colordialog,confighelper,contextmenu,copyformatting,dialog,find,floatpanel,font,indentblock,justify,panel,panelbutton,pastefromword,quicktable,selectall,stickystyles,superimage,tableresize,tableselection,tabletools",
"fillEmptyBlocks": true,
"font_defaultLabel": "Segoe UI",
"font_names": "Angsana New/'Angsana New', 'Leelawadee UI', Sathu, serif;Arial/Arial, Helvetica, sans-serif;Arial Black/'Arial Black', Arial, sans-serif;Calibri Light/'Calibri Light', 'Helvetica Light', sans-serif;Calibri/Calibri, Helvetica, sans-serif;Cambria/Cambria, Georgia, serif;Candara/Candara, Optima, sans-serif;Century Gothic/'Century Gothic', sans-serif;Comic Sans MS/'Comic Sans MS';Consolas/Consolas, Courier, monospace;Constantia/Constantia, 'Hoefler Text', serif;Corbel/Corbel, Skia, sans-serif;Cordia New/'Cordia New', 'Leelawadee UI', Silom, sans-serif;Courier New/'Courier New';DaunPenh/DaunPenh, 'Leelawadee UI', 'Khmer MN', sans-serif;Franklin Gothic Book/'Franklin Gothic Book', 'Avenir Next Condensed', sans-serif;Franklin Gothic Demi/'Franklin Gothic Demi', 'Avenir Next Condensed Demi Bold', sans-serif;Franklin Gothic Medium/'Franklin Gothic Medium', 'Avenir Next Condensed Medium', sans-serif;Garamond/Garamond, Georgia, serif;Gautami/Gautami, 'Nirmala UI', 'Telugu MN', sans-serif;Georgia/Georgia, serif;Impact/Impact, Charcoal, sans-serif;Iskoola Pota/'Iskoola Pota', 'Nirmala UI', 'Sinhala MN', sans-serif;Kalinga/Kalinga, 'Nirmala UI', 'Oriya MN', sans-serif;Kartika/Kartika, 'Nirmala UI', 'Malayalam MN', sans-serif;Latha/Latha, 'Nirmala UI', 'Tamil MN', sans-serif;Leelawadee UI/'Leelawadee UI', Thonburi, sans-serif;Lucida Console/'Lucida Console', Monaco, monospace;Lucida Handwriting/'Lucida Handwriting', 'Apple Chancery', cursive;Lucida Sans Unicode/'Lucida Sans Unicode';Mangal/Mangal, 'Nirmala UI', 'Devanagari Sangam MN', sans-serif;Nirmala UI/'Nirmala UI', sans-serif;Nyala/Nyala, Kefa, sans-serif;Palatino Linotype/'Palatino Linotype', 'Book Antiqua', Palatino, serif;Raavi/Raavi, 'Nirmala UI', 'Gurmukhi MN', sans-serif;Segoe UI/'Segoe UI', 'Helvetica Neue', sans-serif;Shruti/Shruti, 'Nirmala UI', 'Gujarati Sangam MN', sans-serif;Sitka Heading/'Sitka Heading', Cochin, serif;Sitka Text/'Sitka Text', Cochin, serif;Sylfaen/Sylfaen, Mshtakan, Menlo, serif;TW Cen MT/'TW Cen MT', 'Century Gothic', sans-serif;Tahoma/Tahoma, Geneva, sans-serif;Times New Roman/'Times New Roman', Times, serif;Times/Times, 'Times New Roman', serif;Trebuchet MS/'Trebuchet MS';Tunga/Tunga, 'Nirmala UI', 'Kannada MN', sans-serif;Verdana/Verdana, Geneva, sans-serif;Vrinda/Vrinda, 'Nirmala UI', 'Bangla MN', sans-serif;メイリオ/Meiryo, メイリオ, 'Hiragino Sans', sans-serif;仿宋/FangSong, 仿宋, STFangsong, serif;微軟正黑體/'Microsoft JhengHei', 微軟正黑體, 'Apple LiGothic', sans-serif;微软雅黑/'Microsoft YaHei', 微软雅黑, STHeiti, sans-serif;新宋体/NSimSun, 新宋体, SimSun, 宋体, SimSun-ExtB, 宋体-ExtB, STSong, serif;新細明體/PMingLiU, 新細明體, PMingLiU-ExtB, 新細明體-ExtB, 'Apple LiSung', serif;楷体/KaiTi, 楷体, STKaiti, serif;標楷體/DFKai-SB, 標楷體, BiauKai, serif;游ゴシック/'Yu Gothic', 游ゴシック, YuGothic, sans-serif;游明朝/'Yu Mincho', 游明朝, YuMincho, serif;隶书/SimLi, 隶书, 'Baoli SC', serif;黑体/SimHei, 黑体, STHeiti, sans-serif;굴림/Gulim, 굴림, 'Nanum Gothic', sans-serif;궁서/Gungsuh, 궁서, GungSeo, serif;돋움/Dotum, 돋움, AppleGothic, sans-serif;맑은 고딕/'Malgun Gothic', '맑은 고딕', AppleGothic, sans-serif;바탕/Batang, 바탕, AppleMyungjo, serif;바탕체/BatangChe, 바탕체, AppleMyungjo, serif;MS Pゴシック/'MS PGothic', 'MS Pゴシック', 'MS Gothic', 'MS ゴシック', 'Hiragino Kaku Gothic ProN', sans-serif;MS P明朝/'MS PMincho', 'MS P明朝', 'MS Mincho', 'MS 明朝', 'Hiragino Mincho ProN', serif",
"fontSize_defaultLabel": "9",
"fontSize_sizes": "8/8pt;9/9pt;10/10pt;11/11pt;12/12pt;14/14pt;16/16pt;18/18pt;20/20pt;22/22pt;24/24pt;26/26pt;28/28pt;36/36pt;48/48pt;72/72pt;",
"height": 185,
"keystrokes": [],
"qtCellBorderColor": "rgb(171, 171, 171)",
"qtCellBorderStyle": "solid",
"qtCellBorderWidth": "1px",
"qtCellPadding": "1",
"qtCellSpacing": "0",
"qtCellWith": "120px",
"qtColumns": 8,
"qtRows": 6,
"qtStyle": {
"border-collapse": "collapse",
"font-size": "9pt"
},
"removeDialogTabs": "flash:Upload;link:upload",
"removePlugins": "a11yhelp,codemirror,liststyle,magicline,scayt,showborders",
"skin": "superowa",
"stickyStyle": {
"font-size": "9pt",
"font-family": "'Segoe UI','Helvetica Neue',sans-serif"
},
"stickyStyles_defaultTag": "div",
"superimageImageMaxSize": 5,
"toolbarcollapser_enableResizer": true,
"toolbarLocation": "bottom",
"uploadRecordId": []
},
"disableContentSanitization": false,
"disableDefaultImageProcessing": false,
"disableImages": false,
"imageEntity": {
"imageEntityName": "msdyn_richtextfiles",
"imageFileAttributeName": "msdyn_imageblob"
},
"showAsTabControl": false,
"showFullScreenExpander": false,
"showHtml": false,
"showPreview": false,
"showPreviewHeaderWarning": false}
}