ux: add button tooltips

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Resources/Locales/en_US.axaml

@@ -177,6 +177,7 @@
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">CHANGES</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">changed file(s)</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Search Changes...</x:String>
+  <x:String x:Key="Text.CommitDetail.CollapseToBottom" xml:space="preserve">Collapse Details</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">FILES</x:String>
   <x:String x:Key="Text.CommitDetail.Files.LFS" xml:space="preserve">LFS File</x:String>
   <x:String x:Key="Text.CommitDetail.Files.Search" xml:space="preserve">Search Files...</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -181,6 +181,7 @@
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">变更对比</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">个文件发生变更</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">查找变更...</x:String>
+  <x:String x:Key="Text.CommitDetail.CollapseToBottom" xml:space="preserve">折叠详细面板</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">文件列表</x:String>
   <x:String x:Key="Text.CommitDetail.Files.LFS" xml:space="preserve">LFS文件</x:String>
   <x:String x:Key="Text.CommitDetail.Files.Search" xml:space="preserve">查找文件...</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -181,6 +181,7 @@
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">變更對比</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">個檔案已變更</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">搜尋變更...</x:String>
+  <x:String x:Key="Text.CommitDetail.CollapseToBottom" xml:space="preserve">收起詳細面板</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">檔案列表</x:String>
   <x:String x:Key="Text.CommitDetail.Files.LFS" xml:space="preserve">LFS 檔案</x:String>
   <x:String x:Key="Text.CommitDetail.Files.Search" xml:space="preserve">搜尋檔案...</x:String>

src/Views/Histories.axaml

@@ -392,7 +392,8 @@
                     HorizontalAlignment="Right" VerticalAlignment="Top"
                     Margin="0,2,8,0"
                     IsChecked="{Binding IsCollapseDetails, Mode=TwoWay}"
-                    IsVisible="{Binding Source={x:Static vm:Preferences.Instance}, Path=UseTwoColumnsLayoutInHistories, Mode=OneWay, Converter={x:Static BoolConverters.Not}}">
+                    IsVisible="{Binding Source={x:Static vm:Preferences.Instance}, Path=UseTwoColumnsLayoutInHistories, Mode=OneWay, Converter={x:Static BoolConverters.Not}}"
+                    ToolTip.Tip="{DynamicResource Text.CommitDetail.CollapseToBottom}">
         <Path Width="14" Height="14" Data="{StaticResource Icons.CollapseToBottom}" Margin="0,3,0,0"/>
       </ToggleButton>
     </Grid>