[FW][FIX] l10n_ar_account_withholding: Add title attribute to icon button

[fw-bot-adhoc]

• Adds a title attribute to a button that has an icon without text.
• Remove trailing space at end of icon attribute.

Forward-Port-Of: #990

[roboadhoc]

Pull request status dashboard.

[fw-bot-adhoc]

@dal-adhoc @zaoral cherrypicking of pull request #990 failed.

stdout:

Auto-merging l10n_ar_account_withholding/views/account_payment_view.xml
CONFLICT (content): Merge conflict in l10n_ar_account_withholding/views/account_payment_view.xml
Auto-merging l10n_ar_account_withholding/__manifest__.py
CONFLICT (content): Merge conflict in l10n_ar_account_withholding/__manifest__.py

stderr:

13:23:48.077119 git.c:444               trace: built-in: git cherry-pick bc19ea61944babf56947307d5ed4b2469a0bb758
error: could not apply bc19ea61... [FIX] l10n_ar_account_withholding: Add title attribute to icon button
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add <paths>' or 'git rm <paths>'
hint: and commit the result with 'git commit'
----------
status:

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port