fix: query templates modification

[antonkovalenko]

Closes #1022

• alter table in new sql section was extended
• drop table added to table
• cdc stream renamed to changefeed (like in docs)
• add changefeed option added to table context actions

CI Results

Test Status: ✅ PASSED

📊 Full Report

Total	Passed	Failed	Flaky	Skipped
134	134	0	0	0

Bundle Size: ✅

Current: 79.21 MB | Main: 79.21 MB
Diff: +0.99 KB (0.00%)

✅ Bundle size unchanged.

ℹ️ CI Information

• Test recordings for failed tests are available in the full report.
• Bundle size is measured for the entire 'dist' directory.
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• 🔺 indicates increase, 🔽 decrease, and ✅ no change in bundle size.

[artemmufazalov]

In the Select name "Change data capture" is used for "changeefeed". Is it OK to have two different names in the same menu?

[antonkovalenko]

In the Select name "Change data capture" is used for "changeefeed". Is it OK to have two different names in the same menu?

yes
it's changefeed in docs
and change data capture is more popular than changefeed (based on my estimation of search results)