[Linux] Unable to switch to Japanese input

Please do the following to set Mozc as the Japanese input tool.

  1. Right-click on the desktop and click:guilabel:Settings from the menu

  2. Select:Regions and Languages tab from the settings screen

  3. :guilabel:`Verify that “Mozc” is not displayed in the input source, and click:guilabel:`+

  4. 入力ソースの追加画面で, 日本語 \(\Rightarrow\) 日本語 (Mozc) を選択し, 追加 (A) をクリックする

  5. Verify that the language icon is displayed in the upper right corner of the desktop.