[PF-17] - Layout imports rows cols with default value 0

[mazarijuraj]

Legacy layout should be the default value. Layout rows and cols should be imported only if layout type is defined and is not Legacy. Rows can be undefined or 0+, cols can be undefined or 1+.

Fixes PF-17

[minop]

Does the evaluation of the rows property work as intended?

[minop]

if rows is 0 rows && rows >= 0 evaluates to false since 0 is a falsy value

[minop]

if rows is 0 rows && rows >= 0 evaluates to false since 0 is a falsy value

[pull-request-quantifier-deprecated]

This PR has 22 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

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Label      : Extra Small
Size       : +16 -6
Percentile : 8.8%

Total files changed: 3

Change summary by file extension:
.ts : +16 -6

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