fix: Solucionado problema inicio sesion Closes #301

[tcabgom]

Se ha solucionado el problema en el que no era posible iniciar sesion con una cuenta creada.

En la versión anterior, se generaban 3 contraseñas en el Forms, ahora solo genera una, y he modificado un poco la manera en la que se genera

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +1.30% (target: -0.50%)	:white_check_mark: 0.00%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (de88e43e80ffacf752438fa52b5eadb2c773e99c) | 1707 | 1205 | 70.59% | | | Head commit (f494208dc145ddbab0722de2a245aac81fcd2a84) | 1775 (+68) | 1276 (+71) | 71.89% (**+1.30%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#309) | 6 | 0 | **0.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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[Ignaciocefis]

Funciona correctamente, buen trabajo.