Fix full screen modals not working with flex #6587

Author: jlukic

RELEASE-NOTES.md

@@ -10,6 +10,7 @@
 - **Gulp** - Updated all gulp dependencies to most recent released versions with modifications to tasks as necessary.
 
 **Bug Fixes**
+- **Modal** - Fixed `fullscreen modal` having incorrect left offset with flex modals #6587
 - **Embed** - Embed will now correctly remove DOM metadata on `destroy`
 - **Grid** - Fix issue with `very relaxed vertically divided grid` having wrong margins on dividers
 

src/definitions/modules/modal.less

@@ -421,12 +421,8 @@
 
 .ui.fullscreen.modal {
   width: @fullScreenWidth !important;
-  left: @fullScreenOffset !important;
   margin: @fullScreenMargin;
 }
-.ui.fullscreen.scrolling.modal {
-  left: 0em !important;
-}
 .ui.fullscreen.modal > .header {
   padding-right: @closeHitbox;
 }