This PR adds various enhancements to gShell's app menu:
Alphabetical view
Searching for apps and associated app shortcuts (such as Settings options)
This PR also changes references of 'home menu' to 'app menu' for consistency, and also ensures that new home pages are created when there is an overflow of apps that can fit in one page.
This PR adds various enhancements to gShell's app menu:
This PR also changes references of 'home menu' to 'app menu' for consistency, and also ensures that new home pages are created when there is an overflow of apps that can fit in one page.