[wasm][debugger] Fix evaluate expression of mutidimensional array.

[thaystg]

It was already working:

array[i]
array[i][j]

In this PR I'm implementing support to:
array[i,j]

Blazor Sample:

    private int currentCount = 0;
    int[][] jaggedArray = new int[][]
        {
            new int[] { 1, 3, 5, 7, 9 },
            new int[] { 0, 2, 4, 6 },
            new int[] { 11, 22 }
        };

    int[] array1D = new int[] { 1, 2, 3, 4, 5, 6 };
    int[,] array2D = new int[,] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
    int[,] array2Da = new int[4, 2] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
    string[,] array2Db = new string[3, 2] { { "one", "two" }, { "three", "four" },
                                        { "five", "six" } };

    int[,,] array3D = new int[,,] { { { 1, 2, 3 }, { 4, 5, 6 } },
                                 { { 7, 8, 9 }, { 10, 11, 12 } } };
    int[,,] array3Da = new int[2, 2, 3] { { { 1, 2, 3 }, { 4, 5, 6 } },
                                       { { 7, 8, 9 }, { 10, 11, 12 } } };

    private void IncrementCount()
    {
        currentCount++;
    }

Fixes #56021

[ghost]

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Issue Details

---

It was already working:

array[i]
array[i][j]

In this PR I'm implementing support to:
array[i,j]

Blazor Sample:

    private int currentCount = 0;
    int[][] jaggedArray = new int[][]
        {
            new int[] { 1, 3, 5, 7, 9 },
            new int[] { 0, 2, 4, 6 },
            new int[] { 11, 22 }
        };

    int[] array1D = new int[] { 1, 2, 3, 4, 5, 6 };
    int[,] array2D = new int[,] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
    int[,] array2Da = new int[4, 2] { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
    string[,] array2Db = new string[3, 2] { { "one", "two" }, { "three", "four" },
                                        { "five", "six" } };

    int[,,] array3D = new int[,,] { { { 1, 2, 3 }, { 4, 5, 6 } },
                                 { { 7, 8, 9 }, { 10, 11, 12 } } };
    int[,,] array3Da = new int[2, 2, 3] { { { 1, 2, 3 }, { 4, 5, 6 } },
                                       { { 7, 8, 9 }, { 10, 11, 12 } } };

    private void IncrementCount()
    {
        currentCount++;
    }

Fixes #56021

Author:	thaystg
Assignees:	-
Labels:	area-Debugger-mono
Milestone:	-

[ilonatommy]

Works in VS both in watch and immediate window. Browser's watch if fine as well: