dxDiagram - fix T1300857 (Distance in px is not displayed between shapes when leftExpr, topExpr, or key is specified) (DevExpress#30816)

Author: romanresh

apps/demos/data/diagram-employees.json

@@ -1,9 +1,9 @@
 {
     "page": {
-        "width": 8391,
-        "height": 11907,
-        "pageWidth": 8391,
-        "pageHeight": 11906,
+        "width": 8400,
+        "height": 11910,
+        "pageWidth": 8400,
+        "pageHeight": 11910,
         "pageLandscape": false,
         "gridSize": 180,
         "snapToGrid": true

apps/demos/data/diagram-flow.json

@@ -1,9 +1,9 @@
 {
 	"page": {
-		"width": 8391,
-		"height": 11907,
-		"pageWidth": 8391,
-		"pageHeight": 11906,
+		"width": 8400,
+		"height": 11910,
+		"pageWidth": 8400,
+		"pageHeight": 11910,
 		"pageLandscape": false,
 		"gridSize": 180,
 		"snapToGrid": true

apps/demos/data/diagram-hardware.json

@@ -1,10 +1,10 @@
 {
     "page": {
-        "width": 8391,
-        "height": 11906,
+        "width": 8400,
+        "height": 11910,
         "pageColor": "white",
-        "pageWidth": 8391,
-        "pageHeight": 11906,
+        "pageWidth": 8400,
+        "pageHeight": 11910,
         "pageLandscape": false,
         "gridSize": 180,
         "showGrid": true,

apps/demos/data/diagram-structure.json

@@ -1,10 +1,10 @@
 {
     "page": {
-        "width": 11906,
-        "height": 8391,
+        "width": 11910,
+        "height": 8400,
         "pageColor": "white",
-        "pageWidth": 8391,
-        "pageHeight": 11906,
+        "pageWidth": 8400,
+        "pageHeight": 11910,
         "pageLandscape": true,
         "units": 0
     },