Merge pull request #1353 from HakanSeven12/ui/options-ok-apply-close

feat(options): OK / Apply / Close with a discard guard

# Conflicts:
#	src/app/view/modal.rs
#	src/ui/window/options.rs

src/app/view/modal.rs

@@ -265,7 +265,10 @@ impl OpenCADStudio {
                     },
                 )
             }
-            super::super::ModalKind::Options => sized_flow(
+            super::super::ModalKind::Options => {
+                let dirty = self.options_dirty();
+                let close_confirm = self.options_close_confirm;
+                sized_flow(
                 ex,
                 880,
                 620,
@@ -361,10 +364,13 @@ impl OpenCADStudio {
                         &self.paper_bg_input,
                         &self.desk_bg_input,
                         self.bg_picker,
+                        dirty,
+                        close_confirm,
                         flow,
                     )
                 },
-            ),
+                )
+            }
             super::super::ModalKind::DraftingSettings => {
                 let state = self.drafting_settings_state.as_ref();
                 let dirty = self.drafting_settings_dirty();