refactor(): Rewrite how typeAssertion works to avoid isType and add tests for subclasses

[asturur]

Description

Rewrite typeAssertions so they do not need to use isType.
The reason for this was the discussion about isType not being safe in the case of subclasses and also the general will of moving away from isType.

IsType hasn't been removed yet

replace #8952

In Action

[github-actions]

Build Stats

file / KB (diff)	bundled	minified
fabric	908.335 (-0.177)	305.347 (-0.029)

[ShaMan123]

to make it more complete you should add a

static type = 'NextText'

[asturur]

oh rigth

[ShaMan123]

same

[github-actions]

Coverage after merging remove-isType-text into master will be

82.78%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
index.node.ts	7.69%	100%	0%	14.29%	17, 20, 23, 35, 38, 41
src
ClassRegistry.ts	100%	100%	100%	100%
Collection.ts	94.85%	94.83%	87.10%	97.14%	109, 112, 215–216, 241–242
CommonMethods.ts	96.55%	87.50%	100%	100%	9
Intersection.ts	100%	100%	100%	100%
Observable.ts	87.76%	85.29%	87.50%	89.58%	134–135, 160–161, 32–33, 41, 50, 78, 89
Point.ts	100%	100%	100%	100%
Shadow.ts	98.36%	95.65%	100%	100%	178
cache.ts	97.06%	90%	100%	100%	57
config.ts	74.14%	65%	66.67%	82.76%	131, 139, 139, 139, 139, 139–141, 152–154, 30
constants.ts	100%	100%	100%	100%
src/LayoutManager
LayoutManager.ts	88.05%	89.83%	76.92%	90.54%	136–137, 139–140, 140, 140, 140, 140, 234, 297–298, 309, 47
constants.ts	100%	100%	100%	100%
src/LayoutManager/LayoutStrategies
ClipPathLayout.ts	82.05%	72.22%	100%	88.89%	30–31, 42, 54, 57–58, 65
FitContentLayout.ts	100%	100%	100%	100%
FixedLayout.ts	20%	0%	0%	40%	20–21, 23, 23, 23, 23, 23
LayoutStrategy.ts	86.54%	64.71%	100%	96.30%	36, 43, 43, 43, 51, 78–79
utils.ts	91.67%	85.71%	100%	100%	28, 34
src/Pattern
Pattern.ts	90.54%	93.94%	80%	90.32%	119, 130, 139, 32, 36
src/brushes
BaseBrush.ts	100%	100%	100%	100%
CircleBrush.ts	0%	0%	0%	0%	108, 108, 108, 110, 112, 114–116, 118–121, 128–129, 13, 136, 138, 23–24, 32–36, 40–44, 51–54, 62–66, 68, 76, 76, 76, 76, 76–77, 79, 79, 79–82, 84, 92–93, 95, 97–99
PatternBrush.ts	97.06%	87.50%	100%	100%	21
PencilBrush.ts	91.06%	82.35%	100%	93.81%	122–123, 152, 152–154, 176, 176, 276, 280, 285–286, 68–69, 84–85
SprayBrush.ts	0%	0%	0%	0%	107, 107, 107, 107, 107–108, 110–111, 118–119, 121, 123–127, 136, 140–141, 141, 148, 148, 148–151, 153–156, 160–161, 163, 165–168, 17, 171, 178–179, 18, 181, 183–184, 186, 193–194, 196–197, 20, 200, 200, 207, 207, 21, 211, 22, 22, 22–24, 28, 32, 39, 46, 53, 60, 67, 84–86, 94–96, 98–99
src/canvas
Canvas.ts	79%	76.99%	83.05%	79.84%	1002–1003, 1003, 1003–1004, 1010, 1012, 1040–1042, 1045–1046, 1050–1051, 1174–1176, 1179–1180, 1253, 1368, 1490, 155, 180, 286, 286–291, 296, 319–320, 325–330, 350, 350, 350–351, 351, 351–352, 360, 365–366, 366, 366–367, 369, 378, 384–385, 385, 385, 39, 428, 43, 436, 440, 440, 440–441, 443, 525–526, 526, 526–527, 533, 533, 533–535, 555, 557, 557, 557–558, 558, 558, 561, 561, 561–562, 565, 574–575, 577–578, 580, 580–581, 583–584, 596–597, 597, 597–598, 600–605, 611, 618, 655, 655, 655, 657, 659–664, 670, 676, 676, 676–677, 679, 682, 687, 700, 728, 780–781, 781, 781, 781, 781, 781, 784–785, 788, 788–790, 793–794, 876, 883, 883, 883, 896, 929, 950–951, 967–968, 968, 968–970, 973–974, 974, 974, 976, 984, 984, 984–986, 986, 986, 993–994
CanvasOptions.ts	100%	100%	100%	100%
SelectableCanvas.ts	93.21%	91.60%	94.44%	94.22%	1013, 1021, 1140, 1142, 1144–1145, 302, 472–473, 475–476, 476, 476, 525–526, 587–588, 601, 641–643, 675, 680–681, 708–709, 769–770, 775–779, 781, 940, 940–941, 944, 964, 964
StaticCanvas.ts	96.53%	93.09%	98.92%	98.29%	1019, 1029, 1080–1082, 1085, 1120–1121, 1197, 1206, 1206, 1210, 1210, 1257–1258, 178–179, 195, 559, 571–572, 902–903, 903, 903–904
StaticCanvasOptions.ts	100%	100%	100%	100%
TextEditingManager.ts	86%	71.43%	91.67%	91.67%	17, 17, 17–18, 18, 18
src/canvas/DOMManagers
CanvasDOMManager.ts	95.52%	70%	100%	100%	21–22, 29
StaticCanvasDOMManager.ts	97.50%	88.89%	100%	100%	33
util.ts	86.67%	80.56%	83.33%	93.94%	14, 26, 63–64, 67, 67, 74, 93–94
src/color
Color.ts	94.96%	91.67%	96.30%	96.05%	233, 258–259, 267–268, 48
color_map.ts	100%	100%	100%	100%
constants.ts	100%	100%	100%	100%
util.ts	85.71%	76.92%	100%	89.74%	55–56, 56, 58, 58, 58–59, 61–62, 89
src/controls
Control.ts	94.44%	93.10%	91.67%	96.77%	183, 249, 354
changeWidth.ts	100%	100%	100%	100%
commonControls.ts	100%	100%	100%	100%
controlRendering.ts	81.63%	78%	100%	84.78%	106, 111, 121, 121, 45, 50, 61, 61, 65–72, 81–82
drag.ts	100%	100%	100%	100%
fireEvent.ts	88.89%	75%	100%	100%	13
polyControl.ts	8.57%	0%	0%	15.79%	101, 107, 112, 127, 127, 127, 127, 127, 129–132, 132, 135, 142, 21, 29–33, 33, 33, 33, 33, 33, 33, 33, 54–60, 60, 60, 60, 60, 62, 67–68, 70, 80, 86–88, 88, 90, 93–94, 94, 94, 94, 94, 96
rotate.ts	19.57%	12.50%	50%	21.43%	41, 45,