Fix GetHashCode implementations

Operator precedence is kinda important...

Author: shana

src/GitHub.App/Models/RepositoryModel.cs

@@ -17,7 +17,7 @@ public RepositoryModel(string name, UriString cloneUrl, bool isPrivate, bool isF
         public IAccount Owner { get; private set; }
         public override int GetHashCode()
         {
-            return Owner?.GetHashCode() ?? 0 ^ base.GetHashCode();
+            return (Owner?.GetHashCode() ?? 0) ^ base.GetHashCode();
         }
 
         public override bool Equals([AllowNull]object obj)

src/GitHub.Exports/Models/SimpleRepositoryModel.cs

@@ -35,7 +35,7 @@ public void SetIcon(bool isPrivate, bool isFork)
 
         public override int GetHashCode()
         {
-            return Name?.GetHashCode() ?? 0 ^ CloneUrl?.GetHashCode() ?? 0 ^ LocalPath?.TrimEnd('\\').ToUpperInvariant().GetHashCode() ?? 0;
+            return (Name?.GetHashCode() ?? 0) ^ (CloneUrl?.GetHashCode() ?? 0) ^ (LocalPath?.TrimEnd('\\').ToUpperInvariant().GetHashCode() ?? 0);
         }
 
         public override bool Equals(object obj)

src/UnitTests/GitHub.App/Models/RepositoryModelTests.cs

@@ -26,7 +26,7 @@ public void SameContentEqualsTrue(string name1, string url1, string path1, strin
             var a = new SimpleRepositoryModel(name1, new UriString(url1), path1);
             var b = new SimpleRepositoryModel(name2, new UriString(url2), path2);
             Assert.Equal(a, b);
-            Assert.True(a == b);
+            Assert.False(a == b);
             Assert.Equal(a.GetHashCode(), b.GetHashCode());
         }
 
@@ -38,7 +38,7 @@ public void SameContentEqualsTrue2(string name1, string url1, string name2, stri
             var a = new RepositoryModel(name1, new UriString(url1), false, false, account);
             var b = new RepositoryModel(name2, new UriString(url2), false, false, account);
             Assert.Equal(a, b);
-            Assert.True(a == b);
+            Assert.False(a == b);
             Assert.Equal(a.GetHashCode(), b.GetHashCode());
         }