Add delete hotkey

(cherry picked from commit 269542c4b0373e1f200afaab01d7d102c5d6194c)

mods/cnc/chrome/editor.yaml

@@ -695,6 +695,10 @@ Container@EDITOR_WORLD_ROOT:
 							Height: 25
 							Text: button-delete-area.label
 							Font: Bold
+							Key: EditorDeleteSelection
+							TooltipTemplate: BUTTON_TOOLTIP
+							TooltipText: button-delete-area.tooltip
+							TooltipContainer: TOOLTIP_CONTAINER
 						Button@SELECTION_CANCEL_BUTTON:
 							X: 208
 							Y: 222
@@ -786,8 +790,12 @@ Container@EDITOR_WORLD_ROOT:
 									X: 7
 									Width: 75
 									Height: 25
-									Text: button-container-delete
+									Text: button-delete-actor.label
 									Font: Bold
+									Key: EditorDeleteSelection
+									TooltipTemplate: BUTTON_TOOLTIP
+									TooltipText: button-delete-actor.tooltip
+									TooltipContainer: TOOLTIP_CONTAINER
 								Button@CANCEL_BUTTON:
 									X: 127
 									Width: 75

mods/cnc/fluent/chrome.ftl

@@ -55,7 +55,6 @@ label-save-map-background-directory = Directory:
 label-save-map-background-filename = Filename:
 button-save-map-panel = Save
 label-actor-edit-panel-id = ID
-button-container-delete = Delete
 button-container-ok = OK
 button-editor-world-root-options-tooltip = Menu
 label-tiles-bg-search = Search:
@@ -87,6 +86,11 @@ button-map-editor-tab-container-history-tooltip = History
 
 button-delete-area =
    .label = Delete
+   .tooltip = Remove everything in the selected area
+
+button-delete-actor =
+   .label = Delete
+   .tooltip = Remove the selected actor
 
 button-editor-world-root-copy =
    .label = Copy