R1:0778f3527285

Limit width of differential, maniphest properties tables

Summary:
Sometimes, elements in a property table at the top of a differential
revision view or maniphest task detail view will have a minimum width
that is too wide to fit in the table without causing the table's width
to exceed the width of its parent div. This diff changes the table layout
algorithm so that the table's width never exceeds the width of its parent
div. In the case of a code block causing the excess width, it puts a
scrollbar on the…