PR: Make style of "Print preview" dialog follow the rest of Spyder

[ccordoba12]

Description of Changes

• This is follow-up of PR PR: Use an instance of SimpleCodeEditor to print files (Editor) #18808.
• I changed the dialog's icons to use Material design ones, made the toolbar follow the style of the other pane toolbars and also made the tooltip strings translatable.

Before

After

Affirmation

By submitting this Pull Request or typing my (user)name below,
I affirm the Developer Certificate of Origin
with respect to all commits and content included in this PR,
and understand I am releasing the same under Spyder's MIT (Expat) license.

I certify the above statement is true and correct: @ccordoba12

[pep8speaks]

Hello @ccordoba12! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file spyder/utils/icon_manager.py:

Line 346:80: E501 line too long (85 > 79 characters)
Line 347:80: E501 line too long (105 > 79 characters)
Line 348:80: E501 line too long (105 > 79 characters)
Line 349:80: E501 line too long (95 > 79 characters)
Line 350:80: E501 line too long (96 > 79 characters)
Line 351:80: E501 line too long (94 > 79 characters)
Line 352:80: E501 line too long (95 > 79 characters)
Line 353:80: E501 line too long (92 > 79 characters)
Line 354:80: E501 line too long (91 > 79 characters)
Line 355:80: E501 line too long (103 > 79 characters)
Line 356:80: E501 line too long (112 > 79 characters)
Line 357:80: E501 line too long (94 > 79 characters)

[dalthviz]

Thanks @ccordoba12 ! This LGTM 👍