Merged PR 169: Fix bugs with flex + Disable obnoxious swals + Add selector text + Sort SVG scss to different files

- Disable PushBehavior and set it in a different file
- Fix behviors when parent === undefined
- Fix flex behavrios when using anchors
- Fix siblings not applying flex to theirs children on container delete
- Fix flex behavior when using anchors
- Enable flex by default
- Disable obnoxious swals
- Add selector text
- Sort SVG scss to different files

Others: Add some todos

src/Components/Editor/Actions/ContainerOperations.ts

@@ -90,7 +90,7 @@ export function DeleteContainer(
     throw new Error('[DeleteContainer] Could not find container among parent\'s children');
   }
 
-  Flex(container);
+  ApplyBehaviorsOnSiblings(container, current.Symbols);
 
   // Select the previous container
   // or select the one above
@@ -275,8 +275,8 @@ export function AddContainer(
   setHistoryCurrentStep(history.length - 1);
 }
 
-function UpdateParentChildrenList(parentClone: IContainerModel | null): void {
-  if (parentClone === null) {
+function UpdateParentChildrenList(parentClone: IContainerModel | null | undefined): void {
+  if (parentClone === null || parentClone === undefined) {
     return;
   }
   parentClone.children.sort(