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Alex Rickabaugh
41b1410cb8
`<input type="number">` often does not provide the desired user experience when editing numbers in a form. MDN even [describes](https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/input/number#using_number_inputs) how text inputs should be used in many cases instead, via `<input type="text" inputmode="numeric">` or similar configurations. Previously, this did not work with Signal Forms without a custom input component/directive. This PR builds support for binding `number|null` models directly to `<input type="text">` native controls via `[formField]`. When a model has a number or `null` value, signal forms will preserve that status when the user makes edits/changes. Empty string values are converted to `null`, other values are parsed as numbers, and a parse error is raised when a non-numeric value is entered. Note that it's up to the UI developer to configure additional UI affordances such as setting an appropriate `inputmode`, rejecting non-numeric keypresses, etc. Fixes #66903 Fixes #66157