* refactor: removed surface_width + surface_height from render_blur()
* Fixed scaling issues
* Minor refactors
* removed scaled_dst box
* removed uneeded fb bind
* removed unneeded src_box
* removed unneeded wlr_fbox_from_box function
* removed src_box
* Don't scale the blur translucent region twice
* Renamed extended_damage to original_damage to reflect better what it actually is
* Removed unneeded clearing of the wlr fbo before rendering onto it
* Removed the need for our own main FBO, also fixes some damage bugs
* Simplified detection of blur on workspace
* cleaned up comments
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Co-authored-by: Erik Reider <35975961+ErikReider@users.noreply.github.com>