[FIX] sap.m.Input: Return back setShowTableSuggestionValueHelp custom setter
[FIX] sap.m.Input: Return back setShowTableSuggestionValueHelp custom setter

We need to return back the
setShowTableSuggestionValueHelp custom setter as it
was preventing full control invalidation.

Without it, the whole control gets invalidated unnecessary.

BCP: 2080022792

Change-Id: Ieef859c1a53a58f3edb6cc5a3a91ac91a08001e3

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5