Consider only default modifiers in toolbox shortcuts

[marek-piirikivi]

Masks incoming modifier state with default mask to ignore additional flags.

PR Checklist

Please check if your PR fulfills the following requirements:

• I have read, and I am following the Contributor guide
• I have read, and I understand the Code of Conduct

PR Type

What kind of change does this PR introduce?

• Bug fix
• Feature
• Chore (refactoring, formatting, local variables, other cleanup)
• Documentation content changes

What is the current behavior?

Issue Number: #2067

What is the new behavior?

Toolbox shortcuts now work as expected.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 0.06%.

Quality metrics	Before	After	Change
Complexity	5.74 ⭐	5.77 ⭐	0.03 👎
Method Length	69.09 🙂	69.43 🙂	0.34 👎
Working memory	5.08 ⭐	5.09 ⭐	0.01 👎
Quality	67.96% 🙂	67.90% 🙂	-0.06% 👎

Other metrics	Before	After	Change
Lines	289	290	1

Changed files	Quality Before	Quality After	Quality Change
gaphor/ui/toolbox.py	67.96% 🙂	67.90% 🙂	-0.06% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
gaphor/ui/toolbox.py	Toolbox.create_toolbox	12 🙂	334 ⛔		36.51% 😞	Try splitting into smaller methods
gaphor/ui/toolbox.py	create_toolbox_button	10 🙂	131 😞	10 😞	55.34% 🙂	Try splitting into smaller methods. Extract out complex expressions
gaphor/ui/toolbox.py	Toolbox.expanded_sections	3 ⭐	130 😞	10 😞	62.17% 🙂	Try splitting into smaller methods. Extract out complex expressions

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• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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Help us improve this quality report!

[marek-piirikivi]

Should I also add test for this? I am open to the ideas on how to test this.

[amolenaar]

Indeed, when I enable Caps-Lock, the shortcuts no longer work.