Fix. Creating a Blazor project with a space in its name breaks the styling (dotnet#62675)

Author: dariatiurina

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/.template.config/template.json

@@ -323,6 +323,19 @@
       },
       "replaces": "44300"
     },
+    "StyleBundleName":{
+      "type": "generated",
+      "generator": "regex",
+      "replaces": "StyleBundleName",
+      "parameters": {
+      "source": "name",
+      "steps": [
+        {
+          "regex": " ",
+          "replacement": "_"
+        }]
+      }
+    },
     "InteractivityPlatform": {
       "type": "parameter",
       "datatype": "choice",

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWebCSharp.1/Components/App.razor

@@ -10,7 +10,7 @@
     <link rel="stylesheet" href="@Assets["lib/bootstrap/dist/css/bootstrap.min.css"]" />
     ##endif*@
     <link rel="stylesheet" href="@Assets["app.css"]" />
-    <link rel="stylesheet" href="@Assets["BlazorWebCSharp.1.styles.css"]" />
+    <link rel="stylesheet" href="@Assets["StyleBundleName.styles.css"]" />
     <ImportMap />
     @*#if (SampleContent)
     <link rel="icon" type="image/png" href="favicon.png" />