Merge pull request #1613 from ramox81/codex/sheet-set-manager

Sheet Set Manager, NEWSHEETSET / OPENSHEETSET and sheet set fields, with review fixes.

# Conflicts:
#	Cargo.lock
#	src/app/control/actions.rs
#	src/app/mod.rs
#	src/app/settings.rs
#	src/app/update/dialog.rs
#	src/app/update/file.rs
#	src/app/update/mod.rs
#	src/app/view/mod.rs
#	src/ui/dock.rs
#	src/ui/ribbon/mod.rs
#	src/ui/window/field_dialog.rs
#	src/ui/window/mod.rs

src/modules/view/sheetset.rs

@@ -5,6 +5,6 @@ pub fn tool() -> ToolDef {
         id: "SHEETSET",
         label: "Sheet Set\nManager",
         icon: ICON,
-        event: ModuleEvent::Command("SHEETSET".to_string()),
+        event: ModuleEvent::Command("_SSMTOGGLE".to_string()),
     }
 }