Alpha editor break its behaviour with long file name.

If we open a New alpha editor with the project contains long file name. it break its behavior.

Steps to Reproduce:

• Login to zanata.
• Go to dashboard.
• Create new project.
• Create new version.
• Create a new file with long name.
• Select language and upload that file.
• Click on file and open editor.
• then click on "try the new alpha editor" to open alpha editor.
• Observe the behaviour.

*Actual Result":-

• Wearied behaviour on alpha editor.
• file name in suggestions panel is not wrapped correctly it goes out of the panel/model

Expected Result:

• Alpha editor should have to work/looks fine with long file name as well.

Note:

• Attached screen captured for ref.
• As discussed with kathryn on PR#100 created this new ticket