Add titles to bonsai camera visualizers

[alexpiet]

Notes from @bruno-f-cruz This requires bonsai 2.8.2 and the new Bonsai.Gui package

<?xml version="1.0" encoding="utf-8"?>
<WorkflowBuilder Version="2.8.2"
                 xmlns:xsi="[http://www.w3.org/2001/XMLSchema-instance"](http://www.w3.org/2001/XMLSchema-instance%22)
                 xmlns:rx="clr-namespace:Bonsai.Reactive;assembly=Bonsai.Core"
                 xmlns:dsp="clr-namespace:Bonsai.Dsp;assembly=Bonsai.Dsp"
                 xmlns:cv="clr-namespace:Bonsai.Vision;assembly=Bonsai.Vision"
                 xmlns:gui="clr-namespace:Bonsai.Gui;assembly=Bonsai.Gui"
                 xmlns="[https://bonsai-rx.org/2018/workflow">](https://bonsai-rx.org/2018/workflow%22%3E)
  <Workflow>
    <Nodes>
      <Expression xsi:type="Combinator">
        <Combinator xsi:type="rx:Timer">
          <rx:DueTime>PT0S</rx:DueTime>
          <rx:Period>PT0.1S</rx:Period>
        </Combinator>
      </Expression>
      <Expression xsi:type="Combinator">
        <Combinator xsi:type="dsp:ScalarBuffer">
          <dsp:Size>
            <dsp:Width>10</dsp:Width>
            <dsp:Height>10</dsp:Height>
          </dsp:Size>
          <dsp:Depth>F32</dsp:Depth>
          <dsp:Channels>1</dsp:Channels>
          <dsp:Value>
            <dsp:Val0>0</dsp:Val0>
            <dsp:Val1>0</dsp:Val1>
            <dsp:Val2>0</dsp:Val2>
            <dsp:Val3>0</dsp:Val3>
          </dsp:Value>
        </Combinator>
      </Expression>
      <Expression xsi:type="Combinator">
        <Combinator xsi:type="cv:ConvertToImage" />
      </Expression>
      <Expression xsi:type="VisualizerMapping" />
      <Expression xsi:type="Combinator">
        <Combinator xsi:type="StringProperty">
          <Value>ThisIsACamera</Value>
        </Combinator>
      </Expression>
      <Expression xsi:type="PropertyMapping">
        <PropertyMappings>
          <Property Name="Text" />
        </PropertyMappings>
      </Expression>
      <Expression xsi:type="gui:LabelBuilder">
        <gui:Enabled>true</gui:Enabled>
        <gui:Visible>true</gui:Visible>
        <gui:Text>ThisIsACamera</gui:Text>
      </Expression>
      <Expression xsi:type="VisualizerMapping" />
      <Expression xsi:type="gui:TableLayoutPanelBuilder">
        <gui:Name>ThisIsACamera</gui:Name>
        <gui:Enabled>true</gui:Enabled>
        <gui:Visible>true</gui:Visible>
        <gui:ColumnCount>1</gui:ColumnCount>
        <gui:RowCount>1</gui:RowCount>
        <gui:ColumnStyles />
        <gui:RowStyles />
        <gui:CellSpans />
      </Expression>
    </Nodes>
    <Edges>
      <Edge From="0" To="1" Label="Source1" />
      <Edge From="1" To="2" Label="Source1" />
      <Edge From="2" To="3" Label="Source1" />
      <Edge From="3" To="8" Label="Source1" />
      <Edge From="4" To="5" Label="Source1" />
      <Edge From="5" To="6" Label="Source1" />
      <Edge From="6" To="7" Label="Source1" />
      <Edge From="7" To="8" Label="Source2" />
    </Edges>
  </Workflow>
</WorkflowBuilder>