Rename default layout to "Standard Layout" (#8172)

* refactor: default PageTemplate -> DefaultLayout

* refactor: DefaultLayout -> StandardLayout

* i18n: Default ~PageTemplate -> Standard Layout

core/images/standard-layout.tid

@@ -1,7 +1,7 @@
-title: $:/core/images/default-layout
+title: $:/core/images/standard-layout
 tags: $:/tags/Image
 
 \parameters (size:"22pt")
-<svg width=<<size>> height=<<size>> class="tc-image-default-layout tc-image-button" viewBox="0 0 128 128">
+<svg width=<<size>> height=<<size>> class="tc-image-standard-layout tc-image-button" viewBox="0 0 128 128">
     <path d="M71.93 72A8.07 8.07 0 0 1 80 80.07v7.86A8.071 8.071 0 0 1 71.93 96H8.07A8.067 8.067 0 0 1 0 87.93v-7.86A8.072 8.072 0 0 1 8.07 72h63.86Zm0 32a8.07 8.07 0 0 1 8.07 8.07v7.86a8.071 8.071 0 0 1-8.07 8.07H8.07A8.067 8.067 0 0 1 0 119.93v-7.86A8.072 8.072 0 0 1 8.07 104h63.86Zm0-104A8.068 8.068 0 0 1 80 8.07v47.86A8.073 8.073 0 0 1 71.93 64H8.07A8.07 8.07 0 0 1 0 55.93V8.07A8.072 8.072 0 0 1 8.07 0h63.86Zm48 0c2.14 0 4.193.85 5.706 2.364A8.067 8.067 0 0 1 128 8.07v111.86c0 2.14-.85 4.193-2.364 5.706A8.067 8.067 0 0 1 119.93 128H96.07c-2.14 0-4.193-.85-5.706-2.364A8.067 8.067 0 0 1 88 119.93V8.07c0-2.14.85-4.193 2.364-5.706A8.067 8.067 0 0 1 96.07 0h23.86ZM116 24h-16a3.995 3.995 0 0 0-2.828 1.172 3.995 3.995 0 0 0 0 5.656A3.995 3.995 0 0 0 100 32h16a3.995 3.995 0 0 0 2.828-1.172 3.995 3.995 0 0 0 0-5.656A3.995 3.995 0 0 0 116 24Z"/>
 </svg>

core/language/en-GB/Misc.multids

@@ -70,7 +70,7 @@ No: No
 OfficialPluginLibrary: Official ~TiddlyWiki Plugin Library
 OfficialPluginLibrary/Hint: The official ~TiddlyWiki plugin library at tiddlywiki.com. Plugins, themes and language packs are maintained by the core team.
 PageTemplate/Description: the default ~TiddlyWiki layout
-PageTemplate/Name: Default ~PageTemplate
+PageTemplate/Name: Standard Layout
 PluginReloadWarning: Please save {{$:/core/ui/Buttons/save-wiki}} and reload {{$:/core/ui/Buttons/refresh}} to allow changes to ~JavaScript plugins to take effect
 RecentChanges/DateFormat: DDth MMM YYYY
 Shortcuts/Input/AdvancedSearch/Hint: Open the ~AdvancedSearch panel from within the sidebar search field

core/ui/StandardLayout.tid

@@ -1,7 +1,7 @@
 title: $:/core/ui/PageTemplate
 name: {{$:/language/PageTemplate/Name}}
 description: {{$:/language/PageTemplate/Description}}
-icon: $:/core/images/default-layout
+icon: $:/core/images/standard-layout
 code-body: yes
 
 \whitespace trim

languages/zh-Hans/Misc.multids

@@ -69,8 +69,8 @@ MissingTiddler/Hint: 佚失条目 "<$text text=<<currentTiddler>>/>" - 点击 {{
 No: 否
 OfficialPluginLibrary: ~TiddlyWiki 官方插件库
 OfficialPluginLibrary/Hint: 此为在 tiddlywiki.com 的 ~TiddlyWiki 官方插件库。由核心团队维护的插件、主题和语言包。
-PageTemplate/Description: 默认的 ~Tiddlywiki 布局
-PageTemplate/Name: 默认的 ~PageTemplate
+PageTemplate/Description: 默认的太微布局
+PageTemplate/Name: 标准布局
 PluginReloadWarning: 请保存 {{$:/core/ui/Buttons/save-wiki}} 并刷新页面 {{$:/core/ui/Buttons/refresh}} ，使 ~JavaScript 插件的更改生效
 RecentChanges/DateFormat: YYYY年0MM月0DD日
 Shortcuts/Input/Accept/Hint: 接受选取的项目

languages/zh-Hant/Misc.multids

@@ -70,7 +70,7 @@ No: 否
 OfficialPluginLibrary: ~TiddlyWiki 官方插件程式庫
 OfficialPluginLibrary/Hint: 此為在 tiddlywiki.com 的 ~TiddlyWiki 官方插件程式庫。由核心團隊維護的插件、主題和語言包。
 PageTemplate/Description: 預設的 ~Tiddlywiki 佈局
-PageTemplate/Name: 預設的 ~PageTemplate
+PageTemplate/Name: 標准佈局
 PluginReloadWarning: 請儲存 {{$:/core/ui/Buttons/save-wiki}} 並刷新頁面 {{$:/core/ui/Buttons/refresh}} ，使 ~JavaScript 插件的更改生效
 RecentChanges/DateFormat: YYYY年0MM月0DD日
 Shortcuts/Input/Accept/Hint: 接受選取的項目