Revert "[Manifest] update description"

This reverts commit f2bf28ba925d1cada0721d0890dfb80e4a633609.
Revert "[Config] update name"

This reverts commit 11df269dc52fb202e0d07e35b359dabe7b6156c6.
[App] Update title & description; [Dashboard] add default values for the title & description; [ModalComposer] remove button of there is now text provided