Adds fix for double comparison error (#24026)

* adds fix for rounding error

packages/flutter/lib/src/rendering/sliver.dart

@@ -656,6 +656,8 @@ class SliverGeometry extends Diagnosticable {
   ///  * [RenderViewport.cacheExtent] for a description of a viewport's cache area.
   final double cacheExtent;
 
+  static const double _epsilon = 1e-10;
+
   /// Asserts that this geometry is internally consistent.
   ///
   /// Does nothing if asserts are disabled. Always returns true.
@@ -686,7 +688,9 @@ class SliverGeometry extends Diagnosticable {
         );
       }
       verify(maxPaintExtent != null, 'The "maxPaintExtent" is null.');
-      if (maxPaintExtent < paintExtent) {
+      // If the paintExtent is slightly more than the maxPaintExtent, but the difference is still less
+      // than epsilon, we will not throw the assert below.
+      if (paintExtent - maxPaintExtent > _epsilon) {
         verify(false,
           'The "maxPaintExtent" is less than the "paintExtent".\n' +
           _debugCompareFloats('maxPaintExtent', maxPaintExtent, 'paintExtent', paintExtent) +