Log Message:
libreoffice: Update to 7.4.0.3

Changelog:
Most Significant New Features

GENERAL
    * Support for WebP images and EMZ/WMZ files
    * Help pages for the ScriptForge scripting library
    * Search field for the Extension Manager
    * Performance and compatibility improvements

WRITER
    * Better change tracking in the footnote area
    * Edited lists show original numbers in change tracking
    * New typographic settings for hyphenation

CALC
    * Support for 16,384 columns in spreadsheets
    * Extra functions in drop-down AutoSum widget
    * New menu item to search for sheet names

IMPRESS
    * New support for document themes