Replaced RoundedRectangleShadowBorder with new Draw2d RectShadowBorder

[azoitl]

The remaining usage was in Device and Segment figures. The segment figure was cleaned.

[github-actions]

Test Results

  110 files  ±0    110 suites  ±0   1m 10s ⏱️ -1s
6 125 tests ±0  6 125 ✅ ±0  0 💤 ±0  0 ❌ ±0 
6 126 runs  ±0  6 126 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 945ee1d. ± Comparison against base commit 590d4ed.

This pull request removes 73 and adds 73 tests. Note that renamed tests count towards both.

org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[13] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "''", ""
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[14] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'abc'", "abc"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[15] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'17$C2$B0C'", "17°C"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[16] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'21 $E2$82$AC'", "21 €"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[17] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'a $F0$9F$AF$85-figure'", "a \U0001fbc5-figure"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[18] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'4diac$'IDE'", "4diac'IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[19] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'4diac\"IDE'", "4diac\"IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[20] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'4diac$$IDE'", "4diac$IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[21] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'4diac$LIDE'", "4diac\\nIDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[22] org.eclipse.fordiac.ide.model.value.StringValueConverter@383a5260, "'4diac$P$R$TIDE'", "4diac\\f\\r\\tIDE"
…

org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[13] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "''", ""
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[14] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'abc'", "abc"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[15] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'17$C2$B0C'", "17°C"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[16] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'21 $E2$82$AC'", "21 €"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[17] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'a $F0$9F$AF$85-figure'", "a \U0001fbc5-figure"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[18] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'4diac$'IDE'", "4diac'IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[19] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'4diac\"IDE'", "4diac\"IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[20] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'4diac$$IDE'", "4diac$IDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[21] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'4diac$LIDE'", "4diac\\nIDE"
org.eclipse.fordiac.ide.test.model.value.ValueConverterTest ‑ toStringTest(ValueConverter, String, Object)[22] org.eclipse.fordiac.ide.model.value.StringValueConverter@4a15d5f5, "'4diac$P$R$TIDE'", "4diac\\f\\r\\tIDE"
…