(bug 48145) Applying input expander widget to TimeInput expert

Since for now, the input expander is just needed on the TimeInput expert, the input expander
is initialized in the TimeInput expert. This will be refactored in future change sets.

Change-Id: I35364583daf50bd1e67f8953731f8849a6705ced
Merge "(bug 48145) Applying input expander widget to TimeInput expert"