NOISSUE Implemented copy screenshots to the clipboard

- Added context-menu entry
- Ctrl+C keybind works as well
- If multiple screenshots are selected, only the first one gets copied

launcher/ui/pages/instance/ScreenshotsPage.ui

@@ -50,6 +50,7 @@
     <bool>false</bool>
    </attribute>
    <addaction name="actionUpload"/>
+   <addaction name="actionCopy"/>
    <addaction name="actionDelete"/>
    <addaction name="actionRename"/>
    <addaction name="actionView_Folder"/>
@@ -74,6 +75,14 @@
     <string>View Folder</string>
    </property>
   </action>
+  <action name="actionCopy">
+   <property name="text">
+    <string>Copy</string>
+   </property>
+   <property name="toolTip">
+    <string>Copy</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>