Fix Block Custom Style Edit Mode Breaking

After adding a custom style to a block the edit mode interface no longer
functions properly until the page is refreshed.

Change event to `EditModeExitInline`
Remove `destroyInlineEditModeToolbars` called down the even chain

Closes #1219
Fix Block custom styles

Assign proper id for when a block alias is used and therefore a new bID
is created.

Fire appropriate events and reset view state after save
Remove unneeded assignment
Merge branch 'fix_1219_block_custom_design' of https://github.com/mkly/concrete5-5.7.0 into mkly-fix_1219_block_custom_design
Merge branch 'mkly-fix_1219_block_custom_design' into develop