v3.0.3

What's Changed

• fix(tests): Fix playground scenario selector by reverting PR #718 by @cpcallen in #735
• fix: callbackkey for flyoutbuttons not case sensitive by @maribethb in #742
• fix: Improve node ID check robustness & WebdriverIO test CI stability by @BenHenning in #745
• fix: Fix bug that caused blocks to be inserted into an immovable stack. by @gonfunko in #750
• fix: Fix the scenario picker with the advanced playground. by @gonfunko in #747
• chore: use blockly v12.3.1 for local development by @maribethb in #740

Full Changelog: https://github.com/google/blockly-keyboard-experimentation/compare/@blockly/[email protected]...@blockly/[email protected]