fix: introduce baseline to fix the layout shift when switching to text editor (#6397)

* fix: introduce baseline to fix the layout shift when switching to text editor

* uncomment

* change offset to 8pixels

* [debug]

* introduce DOM baseline in canvas rendering instead

* introduce baseline in element making it backward compat

* fix

* lint

* fix

* update baseline when resizing text element

* fix safari backward compat

* fix for safari

* lint

* reduce safari LS

* floor line height and height when dom height increases than canvas height

* Revert "floor line height and height when dom height increases than canvas height"

This reverts commit 8de6516823.

* cleanup

* use DOM height only for safari to fix LS

* Revert "use DOM height only for safari to fix LS"

This reverts commit d75889238d.

* fix lint and test

* fix

* calculate line height by rounding off instead of DOM

* cleanup

---------

Co-authored-by: dwelle <luzar.david@gmail.com>

src/element/types.ts

@@ -131,6 +131,7 @@ export type ExcalidrawTextElement = _ExcalidrawElementBase &
     fontSize: number;
     fontFamily: FontFamilyValues;
     text: string;
+    baseline: number;
     textAlign: TextAlign;
     verticalAlign: VerticalAlign;
     containerId: ExcalidrawGenericElement["id"] | null;