Element migration schematics for v49

[mistrykaran91]

Prerequisites

• I have read the Contributing Guidelines.
• I have not leaked any internal/restricted information like screenshots, videos, code snippets, links etc.

Feature request

This issue tracks the implementation of migration schematics for breaking changes introduced for v49. These schematics will enable automatic code transformation to help users migrate their applications efficiently.

Breaking Changes Requiring Schematics

• Toast Notification Type Changes - refactor(toast-notification): remove redundant toast state type #1096
• Button Size Classes - feat(buttons): unify sizing across text and icon variants #1329
• Filtered Search Changes - Refactor/remove deprecations in filtered search #1174
• Select Component Changes - refactor(select): remove deprecated output #1180
• Unauthorized Page Component - refactor(unauthorized-page): remove deprecated component #1169
• Dashboard Configuration Changes

• refactor(dashboards): remove deprecations #1110
• refactor(dashboards-ng): remove deprecated property #1181
• refactor(dashboards-ng): remove deprecated module config #1183
• refactor(modal): remove deprecations #1139
• refactor(dashboards/grid): remove deprecations #1140
• feat(dashboards-ng): custom id provider for widget instance #1049

• Modal Changes - refactor(modal): remove deprecations #1139
• Common Utilities - refactor(common): remove deprecations #1111
• Maps Component - refactor(maps): remove deprecated method #1168
• Resize Observer - refactor(resize-observer): remove properties #1172
• Charts Gauge - refactor(charts/gauge): remove deprecations #1107
• Tour Component - refactor(tour): remove deprecated property ModalPosition #819

[akashsonune]

@spike-rabbit @mistrykaran91 Do we have or shall we provide a schematics for migrating subtitleText ? for below change

launchpad: The subtitleText input no longer shows "Access all your apps" by default. To maintain the previous behavior, explicitly set the input.