Introduce a move command for moving cursor at a logical view position in the editor

This will allow the extension writers to place the cursor at a provided position in the editor

Usage:

• Command Id: cursorMove
• Arguments: {to: $ViewPosition, select: boolean, by: $By, value: number}
• Defaults: value = 1. by based on to value.

ViewPosition

• left: Moves the cursor left by n characters.
• right: Moves the cursor right by n characters.
• up: Moves the cursor up by n lines or wrapped lines.
• down: Moves the cursor down by n lines or wrapped lines.
• wrappedLineStart: Places the cursor at the start of the current line in the view.
• wrappedLineFirstNonWhitespaceCharacter: Places the cursor at the first non white space character of the current line in the view.
• wrappedLineEnd: Places the cursor at the end of the current line in the view.
• wrappedLineLastNonWhitespaceCharacter: Places the cursor at the last non white space character of the current line in the view.
• wrappedLineColumnCenter: Places the cursor at the center of the line in the view.
• viewPortTop: Move the cursor to the first non white space character of Nth line from the top of the view.
• viewPortCenter: Move the cursor to the first non white space character of the center line of the view.
• viewPortBottom: Move the cursor to the first non white space character of Nth line from the bottom of the view.

By

• line - Default for line specific commands
• wrappedLine
• character - Default for character specific commands
• halfLine - Only for character specific commands.

Set select arg to true, to select text for above