1.[STUDIO-8385] Fix switch to split tool crash;
2.[STUDIO-8406]brim ears only works in manual mode;
2.[STUDIO-8410] Disable brim width modification when brim type is manual;
3.[STUDIO-8382] Warning message not cleared;
4.[STUDIO-8239] Translation issues;
5.[STUDIO-8380]Disable brim ears for non-part models
6.[STUDIO-8285]Clicking the delete brim button did not recalculate;
jira: details
Change-Id: Id333179236d6b6f23de5081bd9b8d94b08c7dd62