GRAPH data entry error in Browser version

[Turgut Guneysu]

• When the graph fields are declared as “number only”, TAB key works to advance fields without inserting TABs into the data areas.
• When the fields are STRING, then TAB key advances and inserts a TAB character into the advanced field. This is also visibly noticeable by the presence of an extra SPACE character.
• Only happens in the Browser version.

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