So you need to be careful when using the pattern formatters. Generally every cell can have a value and a formatted value. The pattern formatter changes the underlying formatted value for everything. I have solved this by creating a extra column which I then format with the pattern formatter and don't corrupt the source data. For my use, I have a couple different views I show depending on what user selects (with picture, with title, etc.) Then I pregenerate all the extra columns from the source which I don't touch. Alternatively you could just have one scratch column and generate it on the fly. The reason a use a separate column is once you change a given cell's formatted value, that is the value any future pattern formatters use unless you go and remove the formated value first, which was more trouble then I wanted to deal with.
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