[skip CI] Translate deepin-image-viewer.ts in ru

88% of minimum 50% translated source file: 'deepin-image-viewer.ts'
on 'ru'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

translations/deepin-image-viewer_ru.ts

@@ -193,7 +193,7 @@
     <name>LiveTextWidget</name>
     <message>
         <source>Copy (Ctrl+C)</source>
-        <translation type="unfinished"/>
+        <translation>Копировать (Ctrl+C)</translation>
     </message>
     <message>
         <source>Select all (Ctrl+A)</source>