Bug 567062 - [Quicksearch] Configurable max results limit and label

Adds a preference option to configure the limit of results. If the
search dialog hits the limit a indication is shown.

Change-Id: I2e6b30da407561a6b3e562bdb15d8874bc225903
Signed-off-by: Julian Ruppel <julian.ruppel@sap.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/179768
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Mickael Istria <mistria@redhat.com>
6 files changed