[FEATURE] sap.m.Panel: Introduce F6 handling

Change-Id: I23b677644078d46af3ebe0b260e8d53e285d01b0
[FEATURE] sap.m.Carousel: Introduce F6 handling

Change-Id: Id2bc53ee64f6b45123c86c102f04c329d1b05062
[FEATURE] sap.m.Bar: Introduce F6 handling

Change-Id: I99ce443d4560f8a5150730aef1cac740a2b2a7b7
[INTERNAL] sap.ui.layout.FixFlex: legacy support fix

Change-Id: Icfb5894f9e56a0408725a8c870418e183660158a
Merge "[FEATURE] sap.m.Panel: Introduce F6 handling"
Merge "[FEATURE] sap.m.Carousel: Introduce F6 handling"
Merge "[FEATURE] sap.m.Bar: Introduce F6 handling"
Merge "[INTERNAL] sap.ui.layout.FixFlex: legacy support fix"