Refresh hex viewer when opening previous opened snapshot diff window

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetMemoryInspectionPane/SnapshotManager/SnapshotManager.cpp

@@ -381,27 +381,40 @@ namespace Bloom::Widgets
 
         auto snapshotDiffIt = this->snapshotCurrentDiffsBySnapshotAId.find(snapshotIdA);
 
-        if (snapshotDiffIt == this->snapshotCurrentDiffsBySnapshotAId.end()) {
+        if (snapshotDiffIt != this->snapshotCurrentDiffsBySnapshotAId.end()) {
-            const auto& snapshotItA = this->snapshotsById.find(snapshotIdA);
+            auto* snapshotDiff = snapshotDiffIt.value();
 
-            if (snapshotItA == this->snapshotsById.end()) {
+            snapshotDiff->refreshB(
-                return;
+                *(this->data),
-            }
+                this->focusedMemoryRegions,
-
+                this->excludedMemoryRegions,
-            snapshotDiffIt = this->snapshotCurrentDiffsBySnapshotAId.insert(
+                this->stackPointer.value_or(0)
-                snapshotIdA,
-                new SnapshotDiff(
-                    snapshotItA.value(),
-                    *(this->data),
-                    this->focusedMemoryRegions,
-                    this->excludedMemoryRegions,
-                    this->stackPointer.value_or(0),
-                    this->memoryDescriptor,
-                    this
-                )
             );
+
+            snapshotDiff->show();
+            snapshotDiff->activateWindow();
+            return;
         }
 
+        const auto& snapshotItA = this->snapshotsById.find(snapshotIdA);
+
+        if (snapshotItA == this->snapshotsById.end()) {
+            return;
+        }
+
+        snapshotDiffIt = this->snapshotCurrentDiffsBySnapshotAId.insert(
+            snapshotIdA,
+            new SnapshotDiff(
+                snapshotItA.value(),
+                *(this->data),
+                this->focusedMemoryRegions,
+                this->excludedMemoryRegions,
+                this->stackPointer.value_or(0),
+                this->memoryDescriptor,
+                this
+            )
+        );
+
         auto* snapshotDiff = snapshotDiffIt.value();
         snapshotDiff->show();
         snapshotDiff->activateWindow();