Sew Stack first steps (#3133)

* handle more recursive cases

* scaffolding for stitch layers

* scaffolding for SewStack

* always use DotDict when parsing json params

* add DefaultDotDict + DotDict fixes

* first working SewStack (no UI yet)

* ignore inkstitch_debug.log and .svg

* refactor

* early WIP: property grid display temporarily in stitch plan preview

* start of sew stack editor extension

* add layer properties panel and splitter

* spacing and better icon

* handle checkbox

* add layer action buttons

* show selected property help text in an HtmlWindow

* rename

* rephrase help text for tolerance

* refactor into separate file

* simplify structure

* better property type handling

* add randomization button

* add random seed re-roll button

* simulator preview

* update preview in a few more cases

* always DotDict

* avoid ridiculously slow simulations

* preview selected layer or all layers

* edit multiple objects and save only modified properties into the SVG

* better preview handling

* add reverse and jitter

* add stitch path jitter

* fix types

* fix random shuffle button

* fixes

* fix repeats

* type hinting to please pycharm

* show layer description

* avoid exception in properties with multiple values

* fix typing

* fix new layer

* draw a box around property grid and help box

* confirm before closing

* rename properties and fix seed

* fix close/cancel logic

* add buttons to undo changes and reset to default value

* set not modified if default is original setting

* fix invisible icon

* more space for properties

* fix random properties

* better regulation of simulator rendering speed

* Fixed timer being passed a float

* fix get_json_param() default handling

* fix tests

* add checkbox for sew stack only

* fix property help

* adjustable stitch layer editor help box size, with persistence

* repeat exact stitches

* "fix" style

* adjust for new next_element stuff

---------

Co-authored-by: CapellanCitizen <thecapellancitizen@gmail.com>

8 files changed, 293 insertions, 0 deletions

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