Change default width for selected admin exposed filters

Problem/Motivation

Having more exposed filters in content and media administration
#3227277: Add "Authored by" filter to admin content views in Varbase Admin
#3249476: Add "Authored by" filter to Media Table and Media Grid views in Varbase Media

Proposed resolution

Change default width for selected admin exposed filters

• Authored by: width: 12rem;
• Language: width: 12rem;
• Created date (from): width: 9rem;
• Created date (to): width: 9rem;

Remaining tasks

• ✅ File an issue about this project
• ✅ Change the width with css style only
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ Update Release Notes and Update Helper on new feature change/addition
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Release varbase-9.0.3, vartheme_claro-3.0.4

Varbase update type:

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

Content exposed filters

Media Table exposed filters

Media Grid exposed filters

People admin page with exposed filters

API changes

• N/A

Data model changes

• N/A